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Financing Activities - Narrative (Details) |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 4 Months Ended | 5 Months Ended | 9 Months Ended |  |  |  |  |
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Sep. 15, 2025 $ / shares | Sep. 05, 2025 $ / shares | Apr. 25, 2025 $ / shares | Apr. 20, 2025 | Apr. 17, 2025 USD ($) | Feb. 19, 2025 $ / shares | Oct. 23, 2025 shares | Sep. 30, 2025 USD ($) program shares | Aug. 31, 2025 shares | Jul. 31, 2025 shares | Apr. 30, 2025 USD ($) shares | Feb. 28, 2025 USD ($) shares | Sep. 30, 2025 USD ($) program | Sep. 30, 2024 USD ($) | Oct. 23, 2025 $ / shares shares | Apr. 30, 2025 $ / shares shares | Aug. 31, 2025 $ / shares shares | Sep. 30, 2025 USD ($) program | Sep. 30, 2024 USD ($) | Jul. 23, 2025 USD ($) | May 31, 2025 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | May 01, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payroll support programs | program |  |  |  |  |  |  |  | 3 |  |  |  |  | 3 |  |  |  |  | 3 |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 250,000,000 | $ 0 |  |  |  | $ 2,500,000,000 | $ 0 |  |  |  |  |
Amount authorized under share repurchase program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000,000 |  |  |  |
First Quarter 2025 ASR Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  |  | $ 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Shares acquired in repurchase (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 4,242,267 | 19,867,550 |  |  |  | 24,109,817 |  |  |  |  |  |  |  |
Percentage of total shares acquired on initial delivery |  |  |  |  |  |  |  |  |  |  |  | 0.80 |  |  |  |  |  |  |  |  |  |  |  |
Initial price paid per share for shares repurchased (in dollars per share) | $ / shares |  |  |  |  |  | $ 30.20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased, average purchase price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 31.11 |  |  |  |  |  |  |  |
Second Quarter 2025 ASR Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  | $ 1,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Shares acquired in repurchase (in shares) | shares |  |  |  |  |  |  |  |  | 388,662 | 934,237 | 45,300,111 |  |  |  |  |  | 46,623,010 |  |  |  |  |  |  |
Percentage of total shares acquired on initial delivery |  |  |  |  |  |  |  |  |  |  | 0.80 |  |  |  |  |  |  |  |  |  |  |  |  |
Initial price paid per share for shares repurchased (in dollars per share) | $ / shares |  |  | $ 26.49 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased, average purchase price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 32.17 |  |  |  |  |  |  |
Third Quarter 2025 ASR Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  | $ 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares acquired in repurchase (in shares) | shares |  |  |  |  |  |  |  | 6,368,213 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of total shares acquired on initial delivery |  |  |  |  |  |  |  | 80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial price paid per share for shares repurchased (in dollars per share) | $ / shares | $ 31.43 | $ 31.39 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third Quarter 2025 ASR Program | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares acquired in repurchase (in shares) | shares |  |  |  |  |  |  | 1,409,551 |  |  |  |  |  |  |  | 7,777,764 |  |  |  |  |  |  |  |  |
Shares repurchased, average purchase price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 32.14 |  |  |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,600,000,000 |  |  | $ 2,300,000,000
Principal amount of debt repurchased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 689,000,000 | $ 689,000,000 |
Term (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |
Convertible Debt | 1.250 Convertible Senior Notes | Level 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.25%
Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  |  |  |  |  | $ 1,500,000,000 |  |  |  |  | 1,500,000,000 |  |  |  |  | $ 1,500,000,000 |  |  |  |  |  |
Amounts outstanding |  |  |  |  |  |  |  | 0 |  |  |  |  | 0 | $ 0 |  |  |  | 0 | $ 0 |  |  |  |  |
Unsecured Debt | 1.000% Payroll Support Program Loan due 2030 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Early repayments of loan |  |  |  |  | $ 976,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Debt | 1.000% Payroll Support Program Loan due January 2031 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amounts outstanding |  |  |  |  |  |  |  | 566,000,000 |  |  |  |  | 566,000,000 |  |  |  |  | 566,000,000 |  |  |  |  |  |
Unsecured Debt | 1.000% Payroll Support Program Loan due April 2031 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amounts outstanding |  |  |  |  |  |  |  | $ 526,000,000 |  |  |  |  | $ 526,000,000 |  |  |  |  | $ 526,000,000 |  |  |  |  |  |

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