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v3.23.2

Debt and Equity - Purchase of Senior Notes (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Debt Instrument [Line Items] |  |  |  |
Gain | $ 5 | $ 8 | $ 5 | $ 8
Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 131 |  | 131 |
Discounts/Deferred Issuance Costs | 1 |  | 1 |
Book Value |  |  | 130 |
Redemption Value | 125 |  | 125 |
Gain |  |  | 5 |
5.00% Senior Notes due March 2027 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 12 |  | 12 |
Discounts/Deferred Issuance Costs | 0 |  | 0 |
Book Value |  |  | 12 |
Redemption Value | 12 |  | 12 |
Gain |  |  | 0 |
4.125% Senior Notes Due 2028 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 22 |  | 22 |
Discounts/Deferred Issuance Costs | 0 |  | 0 |
Book Value |  |  | 22 |
Redemption Value | 21 |  | 21 |
Gain |  |  | 1 |
4.375% Senior Notes Due 2028 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 6 |  | 6 |
Discounts/Deferred Issuance Costs | 0 |  | 0 |
Book Value |  |  | 6 |
Redemption Value | 5 |  | 5 |
Gain |  |  | 1 |
5.25% Senior Notes Due 2029 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 31 |  | 31 |
Discounts/Deferred Issuance Costs | 0 |  | 0 |
Book Value |  |  | 31 |
Redemption Value | 31 |  | 31 |
Gain |  |  | 0 |
4.25% Senior Notes Due 2030 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 45 |  | 45 |
Discounts/Deferred Issuance Costs | 1 |  | 1 |
Book Value |  |  | 44 |
Redemption Value | 42 |  | 42 |
Gain |  |  | 2 |
4.625% Senior Notes Due 2030 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal Amount | 15 |  | 15 |
Discounts/Deferred Issuance Costs | 0 |  | 0 |
Book Value |  |  | 15 |
Redemption Value | $ 14 |  | 14 |
Gain |  |  | $ 1 |

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