Other Financial Statement Details - Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net revenues	$ 4,961	$ 4,378	$ 4,305	$ 4,128	$ 4,226	$ 3,683	$ 3,857	$ 3,685	$ 17,772	$ 15,451	$ 13,094
Other income (expense), net									279	182	73
Income before income taxes									2,998	2,376	2,200
Income tax expense									(539)	(319)	(405)
Net income	$ 507	$ 462	$ 823	$ 667	$ 584	$ 436	$ 526	$ 511	2,459	2,057	1,795
Amount of Gains (Losses) Reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income before income taxes									237	(30)	8
Income tax expense									0	0	0
Net income									237	(30)	8
Amount of Gains (Losses) Reclassified from AOCI | Gains (losses) on cash flow hedges—foreign exchange contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net revenues									238	(30)	17
Amount of Gains (Losses) Reclassified from AOCI | Unrealized losses on investments
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other income (expense), net									$ (1)	$ 0	$ (9)