CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 2,459,000,000	$ 2,057,000,000	$ 1,795,000,000
Other comprehensive income (loss), net of reclassification adjustments:
Foreign currency translation adjustments (“CTA”)	(57,000,000)	(68,000,000)	43,000,000
Net investment hedge CTA loss	(31,000,000)	0
Net investment hedge CTA loss			0
Unrealized (losses) gains on cash flow hedges, net	(176,000,000)	293,000,000	(242,000,000)
Tax benefit (expense) on unrealized (losses) gains on cash flow hedges, net	3,000,000	(5,000,000)	4,000,000
Unrealized gains (losses) on investments, net	15,000,000	(1,000,000)	(7,000,000)
Tax (expense) benefit on unrealized gains (losses) on investments, net	(5,000,000)	1,000,000	1,000,000
Other comprehensive income (loss), net of tax	(251,000,000)	220,000,000	(201,000,000)
Comprehensive income	$ 2,208,000,000	$ 2,277,000,000	$ 1,594,000,000