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Description of Business and Significant Accounting Policies - (Tables) | 3 Months Ended
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Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Contract with Customer, Contract Asset, Contract Liability, and Receivable | The change in the balance of the Recovery Credit unsatisfied performance obligation was as follows:
| Three Months Ended March 31,
(in millions) | 2021 |
Balance at beginning of period | $ | 92 |  |
(+) Accruals | 12 |  |
(-) Distributions to clients | (27) |  |
Balance at end of period | $ | 77 |  |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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