(Dollars in Millions) | Debt Instruments | Equity Securities | Commingled Funds | Insurance Contracts | Other Assets | Total Level 3 | |||||||||||||
Balance January 1, 2012 | $ | 9 | 16 | 33 | 25 | 65 | 148 | ||||||||||||
Realized gains (losses) | — | (1 | ) | — | — | (5 | ) | (6 | ) | ||||||||||
Unrealized gains (losses) | — | — | — | — | — | — | |||||||||||||
Purchases, sales, issuances and settlements, net | (6 | ) | (11 | ) | 17 | (1 | ) | 9 | 8 | ||||||||||
Balance December 30, 2012 | 3 | 4 | 50 | 24 | 69 | 150 | |||||||||||||
Realized gains (losses) | — | — | — | — | (5 | ) | (5 | ) | |||||||||||
Unrealized gains (losses) | — | (1 | ) | — | (1 | ) | — | (2 | ) | ||||||||||
Purchases, sales, issuances and settlements, net | (2 | ) | 1 | (6 | ) | — | 5 | (2 | ) | ||||||||||
Balance December 29, 2013 | $ | 1 | 4 | 44 | 23 | 69 | 141 |