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Other Intangibles, Net - Finite Lived Intangible Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
Gross definite-lived intangible assets $ 997 $ 1,001
Accumulated amortization (456) (358)
Total Other intangibles, net $ 541 $ 643