(in millions) | |||
Balance as of December 31, 2014 | $ | 5,862 | |
Additions (see Note 5) | 7,610 | ||
Foreign currency translation and other adjustments | (304 | ) | |
Balance as of December 31, 2015 | 13,168 | ||
Additions (see Note 5) | 2,360 | ||
Foreign currency translation and other adjustments | (112 | ) | |
Balance as of December 31, 2016 | $ | 15,416 | |