Other Income/Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Gain (loss) on investments	$ (161)	$ 66	$ 10
Net gains on derivative instruments	67
Loss on early extinguishment of debt	(26)	(767)	0
Net settlement gains on pension plans	$ 2
Cash outlay		36	51
Financing costs			81
Interest rate swaps - fair value hedges | Cash Flow Hedging | Other Expense
Schedule of Equity Method Investments [Line Items]
Amount reclassified from accumulated other comprehensive items to other income/(expense)		$ 65	$ (42)