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Intangible Assets Including Goodwill - Future Amortization (Details)
$ in Millions
Jun. 30, 2021
USD ($)
Future amortization expense, by year  
Remainder of 2021 $ 1,287
2022 2,261
2023 1,748
2024 1,518
2025 1,460
Thereafter 5,267
Capitalized software  
Future amortization expense, by year  
Remainder of 2021 330
2022 418
2023 217
2024 37
Acquired intangibles  
Future amortization expense, by year  
Remainder of 2021 956
2022 1,843
2023 1,530
2024 1,481
2025 1,460
Thereafter $ 5,267