Accounting Changes - Credit Losses (Details) - USD ($) $ in Millions |
Jun. 30, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|
| Accounting Changes | |||
| Deferred tax assets | $ 8,954 | $ 9,241 | |
| Retained earnings | $ 162,086 | $ 162,717 | |
| Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment | |||
| Accounting Changes | |||
| Allowance for credit losses | $ 81 | ||
| Deferred tax assets | (14) | ||
| Retained earnings | $ (66) |
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- Definition Amount of allowance for credit loss of accounts and financing receivables. Includes, but is not limited to, notes and loan receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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