Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income	$ 669	$ 845
Other comprehensive income/(loss), net of tax
Comprehensive income / (loss)	821	744
Parent [Member]
Other comprehensive income/(loss), net of tax
Foreign currency translation	(43)	(101)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	$ 195	$ 0