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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Income Tax Contingency [Line Items] |  |
Income tax expense (benefit) related to continuing operations | $ 199 | $ 26
Reported income tax expense (benefit) rates (percent) | 19.80% | 4.60%
Effective income tax rate reconciliation, tax (benefit), share-based payment arrangement, amount | $ 45 |
Discrete tax benefit recognized due to statute of limitation expirations |  | $ 97
Unrecognized Tax Benefits | 1,500 |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1,300 |
Minimum |  |
Income Tax Contingency [Line Items] |  |
Possible decrease in unrecognized tax benefits during the next twelve months | 150 |
Maximum |  |
Income Tax Contingency [Line Items] |  |
Possible decrease in unrecognized tax benefits during the next twelve months | $ 190 |

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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 740 -Section 35 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126970579&loc=d3e23163-113944 + Details
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