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Basis of Presentation - Revenue Recognition (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Contract Acquisition Costs |  |  |  |  |
Deferred contract costs | $ 187 |  | $ 187 |  | $ 175
Right-of-use assets obtained in exchange for operating lease obligations |  |  | $ 44 | $ 57 |
Minimum [Member] |  |  |  |  |
Contract Acquisition Costs |  |  |  |  |
Deferred revenue recognition period |  |  | 1 month |  |
Contract amortization period | 5 years |  | 5 years |  |
Maximum [Member] |  |  |  |  |
Contract Acquisition Costs |  |  |  |  |
Deferred revenue recognition period |  |  | 3 months |  |
Contract amortization period | 13 years |  | 13 years |  |
Deferred Sales Incentives [Member] |  |  |  |  |
Contract Acquisition Costs |  |  |  |  |
Deferred contract costs | $ 134 |  | $ 134 |  | $ 126
Deferred contract costs amortization | $ 6 | $ 6 | $ 18 | $ 17 |

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
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