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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Accumulated other comprehensive loss	$ 964	$ 1,046
Level 3 \| Fair Value
Derivative [Line Items]
Carrying amounts of deferred purchase price assets	658	692
Interest Expense
Derivative [Line Items]
Amount amortized from AOCI into interest expense	219	203	$ 189
Amount expected to be amortized from AOCI into interest expense over next 12 months	236
Interest Rate Contract
Derivative [Line Items]
Accumulated other comprehensive loss	$ 1,100	$ 1,300