Supplemental Financial Statement Information - Payments to Customers (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Disaggregation of Revenue [Line Items] | ||
| Total payments made to customers | $ 112 | $ 77 |
| Reductions to revenue | ||
| Disaggregation of Revenue [Line Items] | ||
| Total payments made to customers | 77 | 45 |
| Charges to operations and support | ||
| Disaggregation of Revenue [Line Items] | ||
| Total payments made to customers | 22 | 22 |
| Charges to sales and marketing expense | ||
| Disaggregation of Revenue [Line Items] | ||
| Total payments made to customers | $ 13 | $ 10 |