Debt - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Line of credit facility, expiration period		5 years
Interest costs incurred		$ 2,650	$ 2,790	$ 2,280
Interest paid, including capitalized interest, operating and investing activities		2,572	$ 2,583	$ 1,925
364-day Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 5,800
Line of credit facility, expiration period	364 days
Line of credit facility, term out period	1 year
Line of credit facility, extension period	1 year
Three Year Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 3,000
Line of credit facility, expiration period	3 years
Five Year Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 3,200
Line of credit facility, expiration period	5 years
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 12,000