Debt - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) performance_indicator	Sep. 30, 2022 USD ($)	Sep. 12, 2023 USD ($)	Dec. 31, 2022 USD ($)	Feb. 28, 2022 USD ($)
Debt Instrument [Line Items]
Long-term debt, fair value	$ 9,600,000,000		$ 9,600,000,000			$ 9,300,000,000
Debt issued		$ 127,000,000		$ 127,000,000
Loss on extinguishment of debt, net	0	$ (4,000,000)	$ 0	15,000,000
Tender premium paid				$ 142,000,000
Commercial paper, at carrying value						$ 188,000,000
Indebtedness to cash flow (not greater than)			4
Commercial paper
Debt Instrument [Line Items]
Maximum borrowing capacity	2,000,000,000		$ 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		$ 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
Senior Notes | Senior Notes 5.250% Due 2033
Debt Instrument [Line Items]
Debt issued					$ 750,000,000
Stated interest rate					5.25%
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