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Revenue Recognition - Contract Assets and Liabilities (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Schedule of Contract Assets and Liabilities [Line Items] |  |  |  |  |
Capitalized contract costs (included in Prepayments and other current assets and Other non-current assets) | $ 1,173 |  | $ 1,173 |  | $ 706
Total accounts receivable, net | 3,258 |  | 3,258 |  | 3,542
Unbilled revenues (included within Accounts receivable, net - Contracts with customers) | 1,318 |  | 1,318 |  | 1,493
Deferred revenues | 1,680 |  | 1,680 |  | 1,634
Deferred revenues from contracts with customers | 1,600 |  | 1,600 |  | 1,600
Revenue recognized | 290 | $ 310 | 511 | $ 168 |
Accounts receivable, net - Contracts with customers |  |  |  |  |
Schedule of Contract Assets and Liabilities [Line Items] |  |  |  |  |
Total accounts receivable, net | 3,181 |  | 3,181 |  | 3,395
Accounts receivable, net - Accounted for under topics other than ASC 606 |  |  |  |  |
Schedule of Contract Assets and Liabilities [Line Items] |  |  |  |  |
Total accounts receivable, net | 74 |  | 74 |  | 136
Accounts receivable, net - Affiliate |  |  |  |  |
Schedule of Contract Assets and Liabilities [Line Items] |  |  |  |  |
Total accounts receivable, net | $ 3 |  | $ 3 |  | $ 11

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