Basis of Presentation - Changes to Allowance for Estimated Uncollectible Amounts (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Opening balance	$ 194	$ 174	$ 215	$ 199
Reversals, net	(21)	(11)	(28)	2
Recoveries	1	0	9	1
Write-offs against allowance	(4)	(3)	(20)	(43)
Foreign exchange translation adjustment	1	(2)	1	(1)
Other			(6)	0
Closing balance	$ 171	$ 158	$ 171	$ 158