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Goodwill and Intangible Assets (Cost and Accumulated Amortization of Intangible Assets) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets, Gross | $ 999 | $ 911
Accumulated Amortization | (291) | (228)
Intangible Assets, Net | $ 708 | $ 683
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Useful Lives | 14 years | 15 years
Intangible Assets, Gross | $ 546 | $ 470
Accumulated Amortization | (124) | (100)
Intangible Assets, Net | $ 422 | $ 370
Developed technologies |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Useful Lives | 18 years | 19 years
Intangible Assets, Gross | $ 75 | $ 75
Accumulated Amortization | (39) | (37)
Intangible Assets, Net | $ 36 | $ 38
Contract backlog |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Useful Lives | 18 years | 18 years
Intangible Assets, Gross | $ 303 | $ 291
Accumulated Amortization | (113) | (76)
Intangible Assets, Net | $ 190 | $ 215
Other |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Useful Lives | 11 years | 13 years
Intangible Assets, Gross | $ 25 | $ 25
Accumulated Amortization | (15) | (15)
Intangible Assets, Net | 10 | 10
Trademarks/trade names |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets, Gross | 50 | 50
Intangible Assets, Net | $ 50 | $ 50

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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