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Held for Sale - Narrative (Details) £ in Millions, $ in Millions, € in Billions |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Apr. 06, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Apr. 06, 2022 GBP (£) | Mar. 31, 2022 USD ($) | Jul. 05, 2021 USD ($) | Jul. 05, 2021 EUR (€)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Assets held for sale |  | $ 3,155 |  |  | $ 4,516 |  |
Liabilities held for sale |  | 2,324 |  |  | 4,741 |  |
Gain to remeasure disposal group to fair value |  | 20 | $ 0 |  |  |  |
Held-for-sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Assets held for sale |  | 3,200 |  |  | 4,500 |  |
Liabilities held for sale |  | 2,300 |  |  | 4,700 |  |
U.K. Disposal Group (Disposal Group) | Held-for-sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Divested net liabilities |  |  |  |  | 2,018 |  |
Divested net assets |  |  |  |  | 1,482 |  |
U.K. Disposal Group (Disposal Group) | Disposed of by sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gross purchase price | $ 144 |  |  | £ 110 |  |  |
Proceeds from collection of notes receivable | 118 |  |  |  |  |  |
E.U. Businesses (Disposal Group) | Held-for-sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gross purchase price |  |  |  |  |  | $ 1,300 | € 1.2
Divested net liabilities |  | 2,204 |  |  | 2,720 |  |
Gain to remeasure disposal group to fair value |  | (12) |  |  |  |  |
Divested net assets |  | $ 2,982 |  |  | $ 3,024 |  |
International | Disposed of by sale | Aurelius Elephant Limited |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Divested net assets | 615 |  |  |  |  |  |
Accumulated other comprehensive loss adjustment | $ 731 |  |  |  |  |  |

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