Debt - Narrative (Details)		3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) performance_indicator	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Feb. 28, 2022 USD ($)
Debt Instrument [Line Items]
Long-term debt, fair value		$ 9,400,000,000		$ 9,400,000,000		$ 9,300,000,000
Loss on extinguishment of debt, net		0	$ 2,000,000	0	$ 19,000,000
Tender premium paid			118,000,000
Debt issued			$ 99,000,000		$ 99,000,000
Commercial paper, at carrying value		$ 740,000,000		$ 740,000,000		$ 188,000,000
Indebtedness to cash flow (not greater than)				4
Commercial paper
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 2,000,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Performance indicators | performance_indicator				3
Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 2,000,000,000
Credit facility term	5 years
Commitment fee				0.08%
Senior Notes
Debt Instrument [Line Items]
Debt instrument, fair value							$ 292,000,000
IHS Markit
Debt Instrument [Line Items]
Long-term debt							4,191,000,000
IHS Markit | Senior Notes
Debt Instrument [Line Items]
Long term debt, principal amount							4,600,000,000
Long-term debt							$ 4,900,000,000