Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net income	$ 234	$ 240
Other comprehensive income/(loss), net of tax
Comprehensive income / (loss)	114	328
Parent [Member]
Other comprehensive income/(loss), net of tax
Foreign currency translation	(120)	88
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	$ 0	$ 0