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Goodwill and Other Intangible Assets - Schedule of estimated future amortization expense on intangible assets (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2020 $ 223
2021 127
2022 86
2023 76
2024 59
Thereafter 212
Total future amortization of intangible assets $ 783