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Stockholders' Equity and Employee Compensation Plans - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jul. 31, 2022
2022 Share Repurchase Program |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock repurchase |  |  |  | $ 2,500,000,000
Treasury stock acquired (in shares) | 42,700,000 |  |  |
Aggregate purchase price | $ 1,500,000,000 |  |  |
Remaining authorized repurchase amount | 1,000,000,000 |  |  |
Other Postretirement Benefits Plan |  |  |  |
Class of Stock [Line Items] |  |  |  |
Defined contribution cost | 10,800,000 | $ 9,100,000 | $ 6,800,000 |
Defined Contribution Pension Plan |  |  |  |
Class of Stock [Line Items] |  |  |  |
Defined contribution cost | $ 24,700,000 | $ 18,300,000 | $ 10,600,000 |
Employer match of total salary | 10.00% |  |  |
2020 Plan |  |  |  |
Class of Stock [Line Items] |  |  |  |
Options issued (in shares) | 99,300,000 |  |  |
Number of shares available for grant (in shares) | 25,500,000 |  |  |
Employee Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Options issued (in shares) | 10,900,000 |  |  |
Number of shares available for grant (in shares) | 10,300,000 |  |  |
Permitted amount of earnings used to purchase ESPP | 15.00% |  |  |
Purchase price percent | 85.00% |  |  |
Employee Stock | 2020 Employee Stock Purchase Plan |  |  |  |
Class of Stock [Line Items] |  |  |  |
Maximum number of shares purchased by an employee in an offering period (in shares) | 1,000 |  |  |

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