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v3.23.2

Debt - Credit Facilities, Borrowings and Repayments and Letters of Credit (Details) - USD ($) $ in Millions |  | 6 Months Ended |
--- | --- | --- | ---
Jan. 31, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Debt |  |  |  |
Repayments of senior notes |  | $ 400 | $ 750 |
Outstanding letters of credit |  | 127 |  | $ 102
2.85% senior notes due January 2023 | Senior notes |  |  |  |
Debt |  |  |  |
Debt instrument, interest rate (as a percent) | 2.85% |  |  | 2.85%
Repayments of senior notes | $ 400 |  |  |
Credit facilities and PAA commercial paper program |  |  |  |
Debt |  |  |  |
Total borrowings |  | 1,500 | 16,400 |
Total repayments |  | $ 1,500 | $ 16,300 |

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