CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 84,000,000	$ 667,000,000
Other comprehensive income (loss), net of reclassification adjustments:
Foreign currency translation adjustments (“CTA”)	(171,000,000)	(67,000,000)
Net investment hedge CTA gain	71,000,000	0
Unrealized gains (losses) on cash flow hedges, net	144,000,000	(46,000,000)
Tax (expense) benefit on unrealized gains (losses) on cash flow hedges, net	(2,000,000)	1,000,000
Unrealized gains on investments, net	15,000,000	11,000,000
Tax expense on unrealized gains on investments, net	(4,000,000)	(2,000,000)
Other comprehensive income (loss), net of tax	53,000,000	(103,000,000)
Comprehensive income	$ 137,000,000	$ 564,000,000