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v3.23.1

Debt (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Total debt | $ 16,600 | $ 16,600
Variable Rate Debt Bonds |  |
Debt Instrument [Line Items] |  |
Debt at face value | 283 |
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Project finance facility, maximum borrowing capacity | 5,500 |
Minimum limit of debt for cross default provision | 200 |
Letter of Credit | Maximum |  |
Debt Instrument [Line Items] |  |
Line of credit facility, capacity available for specific purpose other than for trade purchases | $ 500 |

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