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Restructuring - Narrative (Details) $ in Millions | 6 Months Ended |
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Jun. 30, 2022 USD ($) position | Jun. 30, 2021 position | Dec. 31, 2021 USD ($)
2022 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Workforce reduction | position | 418 |  |
Employee severance charges | $ 127 |  |
Reductions to restructuring reserve | 35 |  |
Restructuring reserve balance | 92 |  |
2021 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Workforce reduction | position |  | 30 |
Reductions to restructuring reserve | 2 |  |
Restructuring reserve balance | $ 17 |  | $ 19

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + 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)(2) -URI https://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 S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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