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Restructuring, Impairment, and Related Charges - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Restructuring Cost and Reserve [Line Items] |  |
Restructuring, impairment, and related charges recognized | $ 158 | $ 56
Net restructuring, impairment, and related charges recognized | 158 | 56
International |  |
Restructuring Cost and Reserve [Line Items] |  |
Net restructuring, impairment, and related charges recognized | 6 | $ 14
Pre-tax charges recorded to-date | 63 |
Minimum | International |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected total pre-tax charges | 85 |
Maximum | International |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected total pre-tax charges | 90 |
Restructuring Plan - Remote Work Transitioning |  |
Restructuring Cost and Reserve [Line Items] |  |
Net restructuring, impairment, and related charges recognized | 95 |
Restructuring Plan - Remote Work Transitioning | Minimum | Restructuring Type, Exit Related Costs, Accelerated Depreciation, Amortization and Asset Impairments |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected total pre-tax charges | 180 |
Restructuring Plan - Remote Work Transitioning | Maximum | Restructuring Type, Exit Related Costs, Accelerated Depreciation, Amortization and Asset Impairments |  |
Restructuring Cost and Reserve [Line Items] |  |
Expected total pre-tax charges | $ 280 |

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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