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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Income Tax Contingency [Line Items] |  |
Tax expense (benefit), intra-entity transfers of assets other than inventory, amount | $ (147) |
Tax expense (benefit), share-based payment arrangement |  | $ (45)
Unrecognized tax benefits | 1,400 |
Unrecognized tax benefits that would impact effective tax rate | 1,300 |
Minimum |  |
Income Tax Contingency [Line Items] |  |
Tax liability increase due to proposed adjustment to taxable income | 600 |
Maximum |  |
Income Tax Contingency [Line Items] |  |
Tax liability increase due to proposed adjustment to taxable income | $ 700 |

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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 -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 35 -Paragraph 2 -SubTopic 740 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480887/718-740-35-2 + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-10B + Details
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