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DEBT (Tables) | 9 Months Ended
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Sep. 30, 2025
Debt Disclosure [Abstract] |
Schedule of Long-Term Debt Instruments | Tota l debt, including long-term and cur rent maturities, consisted of the following (in millions of dollars):
| As of
| September 30, 2025 |  | December 31, 2024
| Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
4.60% senior notes due 2045 | $ | 1,000 |  |  | $ | 911 |  |  | $ | 1,000 |  |  | $ | 894 |
4.45% senior notes due 2034 | 500 |  |  | 494 |  |  | 500 |  |  | 477 |
3.75% senior notes due 2046 | 400 |  |  | 337 |  |  | 400 |  |  | 332 |
4.20% senior notes due 2047 | 400 |  |  | 319 |  |  | 400 |  |  | 312 |
Japanese Yen term loans | 88 |  |  | 88 |  |  | — |  |  | — |
Debt issuance costs – net of amortization and other | (21) |  |  | (21) |  |  | (21) |  |  | (21) |
Long-term debt | 2,367 |  |  | 2,128 |  |  | 2,279 |  |  | 1,994 |
1.85% senior notes due 2025(1) | — |  |  | — |  |  | 500 |  |  | 498 |
Other | 2 |  |  | 2 |  |  | (1) |  |  | (1) |
Current maturities | 2 |  |  | 2 |  |  | 499 |  |  | 497 |
Total debt | $ | 2,369 |  |  | $ | 2,130 |  |  | $ | 2,778 |  |  | $ | 2,491 |
(1)On February 18, 2025, Grainger repaid in full the principal amount of $500 million for the 1.85% Senior Notes that matured in February 2025. The related interest rate swaps with a notional value of $450 million that hedged a portion of the interest rate risk related to this debt expired on February 15, 2025.

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