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Changes in Capital Structure - Capped Call Options (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Option Indexed to Issuer's Equity [Line Items]
Borrowings outstanding		$ 10,863		$ 10,863		$ 10,940
Capped call options	[1]	(253)
Other income, net		3	$ 13	33	$ 29
Convertible Senior Notes, due 2048 | Senior Notes
Option Indexed to Issuer's Equity [Line Items]
Capped call, convertible debt, conversion, premium		257		257
Borrowings outstanding		$ 232		$ 232
Convertible Senior Notes Capped Calls | Senior Notes
Option Indexed to Issuer's Equity [Line Items]
Capped calls, strike price (in usd per share)		$ 41.32		$ 41.32
Capped call cap price (in usd per share)		$ 249.00		$ 249.00
Capped calls option price		$ 257
Other income, net		4
Additional Paid-In Capital
Option Indexed to Issuer's Equity [Line Items]
Capped call options	[1]	(253)
Additional Paid-In Capital | Convertible Senior Notes Capped Calls | Senior Notes
Option Indexed to Issuer's Equity [Line Items]
Capped call options		$ 253
[1] For further discussion of the Capped Call Options, see Note 9, Changes in Capital Structure

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