Other Financial Data - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Jun. 30, 2021 |
Sep. 30, 2020 |
Jul. 01, 2021 |
Dec. 31, 2020 |
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| Other Financial Data [Line Items] | ||||||
| Allowance for expected credit losses | $ 4 | $ 0 | $ 15 | |||
| Business combination, fixed assets acquired, accumulated depreciation | 0 | |||||
| Fixed assets, net | 219 | 334 | ||||
| Contract with customer, liability, revenue recognized | 22 | $ 101 | $ 152 | |||
| Finance Leased Assets Included in Computer Equipment | ||||||
| Other Financial Data [Line Items] | ||||||
| Fixed assets, net | 67 | 83 | ||||
| Interest Rate Swaps | ||||||
| Other Financial Data [Line Items] | ||||||
| Derivative asset, noncurrent | 5 | |||||
| Derivative liability, current | 12 | 28 | ||||
| Derivative liability, noncurrent | 1 | $ 19 | ||||
| Cost of Services, Exclusive of Depreciation and Amortization | ||||||
| Other Financial Data [Line Items] | ||||||
| Amortization expense | $ 17 | $ 15 | $ 33 | $ 47 | ||
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- Definition Business combination accumulated depreciation property plant and equipment. No definition available.
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- Definition Other financial data. No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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