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Changes in Capital Structure - Capped Call Options (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |
Borrowings outstanding |  | $ 10,858 |  |  | $ 10,858 |  | $ 10,940
Capped call options | [1] |  | $ 253 |  |  |  |
Other income, net |  | $ 5 |  | $ 14 | $ 38 | $ 43 |
Convertible Senior Notes, due 2048 | Senior Notes |  |  |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |
Capped call, convertible debt, conversion, premium |  |  | 257 |  |  |  |
Borrowings outstanding |  |  | $ 232 |  |  |  |
Convertible Senior Notes Capped Calls | Senior Notes |  |  |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |  |  |
Capped calls, strike price (in usd per share) |  |  | $ 41.11 |  |  |  |
Capped call cap price (in usd per share) |  |  | $ 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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