Employee Benefit Plans - Severance Accrual (Details) $ in Millions |
6 Months Ended |
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Jun. 30, 2021
USD ($)
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| Restructuring Cost and Reserve [Line Items] | |
| Balance at beginning of period | $ 24 |
| Accruals | 102 |
| Benefit payments | (91) |
| Balance at end of period | 35 |
| Employee Severance [Member] | Short term supplemental unemployment benefits [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Balance at end of period | $ 20 |
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- Definition The increase (decrease) during the period in the carrying amount (including both current and noncurrent portions of the accrual) of the liability pertaining to the exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. 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 Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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