Summary of Significant Accounting Principles - Financial Instruments - Credit Losses (Details) - USD ($) $ in Millions |
Mar. 31, 2023 |
Dec. 31, 2022 |
Mar. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|---|---|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
| Decrease to allowance for credit losses | $ (12,514) | $ (12,682) | $ (12,104) | $ (12,387) |
| Increase to retained earnings | 280,196 | 273,197 | 266,617 | 270,066 |
| Retained Earnings | ||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
| Increase to retained earnings | $ 213,062 | 207,003 | $ 192,929 | $ 188,064 |
| Cumulative Effect, Period of Adoption, Adjustment | ||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
| Decrease to allowance for credit losses | 243 | |||
| Increase to retained earnings | 184 | |||
| Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings | ||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
| Increase to retained earnings | $ 184 |
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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