| **Debt (Maturity of debt) (Details) $ in Millions** | Dec. 31, 2022 USD ($) |
|-----------------------------------------------------|-----------------------|
| **Debt Disclosure [Abstract]**                      |                  |
| 2023                                                | $ 243                 |
| 2024                                                | 550                   |
| 2025                                                | 0                     |
| 2026                                                | 500                   |
| 2027                                                | 500                   |
| Thereafter                                          | 1,000                 |
| Less: discount                                      | (12)                  |
| Total                                               | $ 2,781               |

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Amount, after accumulated amortization, of debt discount.
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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.
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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
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