Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income	$ 857	$ 92	$ 1,370	$ 35
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax of $36, $1, $13, and $0	11	128	113	(114)
Net change in unrealized gains (losses) on available-for-sale securities:
Unrealized gains (losses), net of tax of $(17), $(8), $(17), and $(8)	31	6	37	7
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $0, $0, $(1), and $(1)	1	1	2	1
Net unrealized gains (losses) on available-for-sale securities	32	7	39	8
Total other comprehensive income (loss)	43	135	152	(106)
Comprehensive income (loss)	$ 900	$ 227	$ 1,522	$ (71)