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Divestitures and Asset Sales (Details) member in Thousands, $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 01, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) member | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | May 31, 2022 member
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Gain (loss) on divestiture, pretax |  | $ 225 |  | $ 0 | $ 225 | $ 0 |
Loss on assets held for sale |  | 0 |  | $ 0 | 41 | $ 0 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Payflex | Health Care Benefits |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from divestiture of subsidiary | $ 775 |  |  |  |  |  |
Gain (loss) on divestiture, pretax |  | $ 225 |  |  | 225 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Thailand Business | Health Care Benefits |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Number of medical members | member |  |  | 266 |  |  |  |
Loss on assets held for sale |  |  | $ 41 |  | $ 41 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | International Health Care Renewal Rights |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Number of international health care members, renewal rights sold | member |  |  |  |  |  |  | 200
Member migration period |  |  |  |  |  |  | 16 months

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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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