XBRL Cloud: Business Report

Rendering

Component: (Network and Table)
Network	004090 - Disclosure - Long-Term Debt and Short-Term Borrowings (Details) (http://www.mmm.com/role/DisclosureLongTermDebtAndShortTermBorrowingsDetails)
Table	Schedule of Long-term Debt Instruments [Table]

Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000066740 (http://www.sec.gov/CIK)

Period [Axis]	Debt instrument	Debt Instrument [Axis]
		Fixed Rate Eurobond Due 201 [Member]			Fixed Rate Medium Term Note Due 2016 [Member]		Fixed Rate Medium Term Note Due 2013 [Member]	Fixed Rate 30 Year Bond Due 2037 [Member]		Fixed Rate Medium Term Note Due 2017 [Member]		Fixed Rate Medium Term Note Due 2022 [Member]		Fixed Rate Eurobond Due 2021 [Member]			Floating Rate Eurobond Due2021 [Member]			Floating Rate Eurobond Due 2014 [Member]			Fixed Rate 30 Year Debenture Due 2028 [Member]		Floating Rate UK Borrowing Due 2015 [Member]			Floating Rate Note Due 2041 [Member]		Floating Rate Note Due 2044 [Member]		Various Fixed And Floating Rate Other Borrowings Due 2014 To 2040 [Member]		Eurobond 750 Million Euros Issued July 2007 [Member]		Eurobond 275 Million Euros Issued December 2007 [Member]		Eurobond 600 Million Euros Issued November 2013 [Member]		Debt Instrument, Name [Domain]
		Short Term Debt Type [Axis]			Short Term Debt Type [Axis]		Short Term Debt Type [Axis]	Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]			Short Term Debt Type [Axis]			Short Term Debt Type [Axis]			Short Term Debt Type [Axis]		Short Term Debt Type [Axis]			Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]		Short Term Debt Type [Axis]
		Short Term Debt Type [Domain]			Short Term Debt Type [Domain]		Short Term Debt Type [Domain]	Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Short Term Debt Type [Domain]			Short Term Debt Type [Domain]			Short Term Debt Type [Domain]			Short Term Debt Type [Domain]		Short Term Debt Type [Domain]			Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Short Term Debt Type [Domain]		Current Portion Of Long Term Debt [Member]		Commercial Paper [Member]	Other Short Term Borrowings [Member]		Short Term Debt Type [Domain]
		Unit			Unit		Unit	Unit		Unit		Unit		Unit			Unit			Unit			Unit		Unit			Unit		Unit		Unit		Unit		Unit		Unit		Unit		Unit	Unit		Unit
		EUR	USD	Pure	USD	Pure	USD	USD	Pure	USD	Pure	USD	Pure	EUR	USD	Pure	EUR	USD	Pure	EUR	USD	Pure	USD	Pure	GBP	USD	Pure	USD	Pure	USD	Pure	USD	Pure	EUR	USD	EUR	USD	EUR	USD	USD	Pure	USD	USD	Pure	USD	Pure
2013-12-31	Long-Term Debt
	Principal amount	775,000,000			1,000,000,000			750,000,000		650,000,000		600,000,000		300,000,000			300,000,000			250,000,000			330,000,000		66,000,000			97,000,000		59,000,000					1,042,000,000		382,000,000		815,000,000
	Interest rate - effective			.0430		.0162			.0573		.0110		.0217			.0197			.0057			.0043		.0601			.0135		.0000		.0000		.0064								.0305			.0535
	Total long-term debt		1,075,000,000		995,000,000		0	748,000,000		648,000,000		592,000,000			411,000,000			404,000,000			349,000,000		346,000,000			109,000,000		97,000,000		59,000,000		79,000,000								1,586,000,000					5,912,000,000
	Long-term debt - excluding current portion - carrying value																																												4,326,000,000
	Short-Term Borrowings and Current Portion of Long-Term Debt
	Total short-term borrowings and current portion of long-term debt																																									0	97,000,000		1,683,000,000
	Weighted-Average Effective Interest Rate
	Short-term weighted-average effective interest rate																																													.0318
	Long-term weighted-average effective interest rate																																													.0256
	Maturities of long-term debt
	2014																																												1,586,000,000
	2015																																												109,000,000
	2016																																												996,000,000
	2017																																												720,000,000
	2018																																												0
	After 2018																																												2,501,000,000
	Floating rate note payments due in 2014																																												156,000,000
	Floating rate note payments due in 2015
	Floating rate note payments due in 2017																																												71,000,000
2013-11-30	Long-Term Debt
	Principal amount																																					600,000,000
	Interest rate - effective
	Total long-term debt
	Long-term debt - excluding current portion - carrying value
	Short-Term Borrowings and Current Portion of Long-Term Debt
	Total short-term borrowings and current portion of long-term debt
	Weighted-Average Effective Interest Rate
	Short-term weighted-average effective interest rate
	Long-term weighted-average effective interest rate
	Maturities of long-term debt
	2014
	2015
	2016
	2017
	2018
	After 2018
	Floating rate note payments due in 2014
	Floating rate note payments due in 2015
	Floating rate note payments due in 2017
2012-12-31	Long-Term Debt
	Principal amount
	Interest rate - effective
	Total long-term debt		1,034,000,000		994,000,000		850,000,000	747,000,000		647,000,000		592,000,000			0			0			349,000,000		347,000,000			106,000,000		97,000,000		59,000,000		80,000,000								986,000,000					5,902,000,000
	Long-term debt - excluding current portion - carrying value																																												4,916,000,000
	Short-Term Borrowings and Current Portion of Long-Term Debt
	Total short-term borrowings and current portion of long-term debt																																									0	99,000,000		1,085,000,000
	Weighted-Average Effective Interest Rate
	Short-term weighted-average effective interest rate																																													.0391
	Long-term weighted-average effective interest rate																																													.0316
	Maturities of long-term debt
	2014
	2015
	2016
	2017
	2018
	After 2018
	Floating rate note payments due in 2014
	Floating rate note payments due in 2015
	Floating rate note payments due in 2017
2007-12-31	Long-Term Debt
	Principal amount																																			275,000,000
	Interest rate - effective
	Total long-term debt
	Long-term debt - excluding current portion - carrying value
	Short-Term Borrowings and Current Portion of Long-Term Debt
	Total short-term borrowings and current portion of long-term debt
	Weighted-Average Effective Interest Rate
	Short-term weighted-average effective interest rate
	Long-term weighted-average effective interest rate
	Maturities of long-term debt
	2014
	2015
	2016
	2017
	2018
	After 2018
	Floating rate note payments due in 2014
	Floating rate note payments due in 2015
	Floating rate note payments due in 2017
2007-07-31	Long-Term Debt
	Principal amount																																	750,000,000
	Interest rate - effective
	Total long-term debt
	Long-term debt - excluding current portion - carrying value
	Short-Term Borrowings and Current Portion of Long-Term Debt
	Total short-term borrowings and current portion of long-term debt
	Weighted-Average Effective Interest Rate
	Short-term weighted-average effective interest rate
	Long-term weighted-average effective interest rate
	Maturities of long-term debt
	2014
	2015
	2016
	2017
	2018
	After 2018
	Floating rate note payments due in 2014
	Floating rate note payments due in 2015
	Floating rate note payments due in 2017
2004-12-31	Long-Term Debt
	Principal amount																													60,000,000
	Interest rate - effective
	Total long-term debt
	Long-term debt - excluding current portion - carrying value
	Short-Term Borrowings and Current Portion of Long-Term Debt
	Total short-term borrowings and current portion of long-term debt
	Weighted-Average Effective Interest Rate
	Short-term weighted-average effective interest rate
	Long-term weighted-average effective interest rate
	Maturities of long-term debt
	2014
	2015
	2016
	2017
	2018
	After 2018
	Floating rate note payments due in 2014
	Floating rate note payments due in 2015
	Floating rate note payments due in 2017