Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.21.2
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Effective income tax rate 27.90% (110.50%) 27.20% 17.30%
Income tax payments, net of refunds     $ 91 $ 47
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount     3 8
Personnel-related | COVID-19 Plan        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Employee Retention Credits   $ 3 2 $ 24
Maximum [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Compensation deduction limitation $ 1   $ 1