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Goodwill and Other Intangible Assets (Summary of Other Intangible Assets) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Goodwill and Other Intangible Assets |  |
Accumulated Amortization | $ (991) | $ (887)
Indefinite-lived intangibles | 167 | 169
Intangible Assets Gross, Carrying Amount | 2,007 | 1,980
Intangible Assets, Net Intangibles | 1,016 | 1,093
Customer and Distributor Relationships |  |
Goodwill and Other Intangible Assets |  |
Carrying Amount | 929 | 941
Accumulated Amortization | (456) | (410)
Net Intangibles | $ 473 | 531
Finite-Lived Intangible Asset, Useful Life | 15 years |
Proprietary Technology |  |
Goodwill and Other Intangible Assets |  |
Carrying Amount | $ 201 | 206
Accumulated Amortization | (142) | (131)
Net Intangibles | $ 59 | 75
Finite-Lived Intangible Asset, Useful Life | 15 years |
Trademarks |  |
Goodwill and Other Intangible Assets |  |
Carrying Amount | $ 141 | 143
Accumulated Amortization | (72) | (63)
Net Intangibles | $ 69 | 80
Finite-Lived Intangible Asset, Useful Life | 13 years |
Internally Developed Network Software |  |
Goodwill and Other Intangible Assets |  |
Carrying Amount | $ 548 | 500
Accumulated Amortization | (303) | (265)
Net Intangibles | $ 245 | 235
Finite-Lived Intangible Asset, Useful Life | 4 years |
Other |  |
Goodwill and Other Intangible Assets |  |
Carrying Amount | $ 21 | 21
Accumulated Amortization | (18) | (18)
Net Intangibles | $ 3 | $ 3
Finite-Lived Intangible Asset, Useful Life | 5 years |

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