Intangible Assets Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Finite-Lived Intangible Assets [Line Items] | ||||
Finite-lived intangible assets acquired | $ 214 | |||
Customer-Related Intangible Assets [Member] | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Finite-lived intangible assets acquired | $ 64 | $ 22 | ||
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 5 years | 7 years | ||
Selling and Marketing Expense [Member] | Retail Partner Contracts | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Amortization expense | $ 31 | $ 32 | $ 95 | $ 97 |
Other Expense | Finite-Lived Intangible Assets, Excluding Retail Partner Contracts | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Amortization expense | $ 49 | $ 51 | $ 150 | $ 150 |