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v3.22.2

Debt - Borrowings and Repayments (Detail) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 31, 2022 | Feb. 28, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Debt |  |  |  |  |  |  |
New borrowings |  |  |  |  | $ 5,360 | $ 1,707 |
Debt repayments |  |  |  |  | 4,683 | 2,326 |
Premiums paid on early extinguishment of debt |  |  |  |  |  | 211 |
Loss on early extinguishment of debt |  |  |  | $ (220) |  | (220) |
Unamortized discounts and debt issuance costs |  |  | $ 85 |  | 85 |  | $ 80
Low income housing investments [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest expense |  |  | $ 4 | $ 3 | 6 | $ 5 |
Commercial Paper Program [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Commercial paper repayments |  |  |  |  | 4,100 |  |
Commercial paper borrowings |  |  |  |  | $ 3,400 |  |
Term Loan [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 2.30% |  | 2.30% |  |
New borrowings | $ 1,000 |  |  |  |  |  |
4.15% senior notes due 2032 [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt instrument face amount | $ 1 |  |  |  |  |  |
Interest rate (as a percent) | 4.15% |  |  |  |  |  |
New borrowings | $ 992 |  |  |  |  |  |
2.90% senior notes due 2022 [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest rate (as a percent) | 2.90% |  |  |  |  |  |
Debt repayments | $ 500 |  |  |  |  |  |
2.40% senior notes due 2023 [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 2.40% |  | 2.40% |  |
Financing leases and other [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt repayments |  |  |  |  | $ 42 |  |
Financing leases and other [Member] | Low income housing investments [Member] |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Note issued |  | $ 183 |  |  | $ 183 |  |

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