Note 9 - Accumulated Other Comprehensive Income/Loss - Schedule of Reclassification (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
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| Balance | $ 16,489 | $ 13,194 | $ 14,788 | $ 12,163 | ||||||||||||||
| Total other comprehensive income/(loss) | (86) | [1] | 20 | [1] | (78) | [2] | 85 | [2] | ||||||||||
| Balance | 16,584 | 14,004 | 16,584 | 14,004 | ||||||||||||||
| Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | ||||||||||||||||||
| Balance | (483) | (373) | (484) | (378) | ||||||||||||||
| Other comprehensive income/(loss) before reclassifications | 0 | (1) | 2 | 5 | ||||||||||||||
| Amounts reclassified from accumulated other comprehensive income/(loss) [b] | [3] | 0 | (1) | (1) | (2) | |||||||||||||
| Total other comprehensive income/(loss) | 0 | (2) | 1 | 3 | ||||||||||||||
| Balance | (483) | (375) | (483) | (375) | ||||||||||||||
| Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | ||||||||||||||||||
| Balance | (139) | (160) | (146) | (204) | ||||||||||||||
| Other comprehensive income/(loss) before reclassifications | (86) | 22 | (79) | 66 | ||||||||||||||
| Amounts reclassified from accumulated other comprehensive income/(loss) [b] | [3] | 0 | 0 | 0 | 0 | |||||||||||||
| Total other comprehensive income/(loss) | (86) | 22 | (79) | 66 | ||||||||||||||
| Balance | (225) | (138) | (225) | (138) | ||||||||||||||
| Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | ||||||||||||||||||
| Balance | [4] | 16 | 16 | 16 | 0 | |||||||||||||
| Other comprehensive income/(loss) before reclassifications | [4] | 0 | 0 | 0 | 16 | |||||||||||||
| Amounts reclassified from accumulated other comprehensive income/(loss) [b] | [3],[4] | 0 | 0 | 0 | 0 | |||||||||||||
| Total other comprehensive income/(loss) | 0 | [4] | 0 | [4] | 0 | 16 | ||||||||||||
| Balance | [4] | 16 | 16 | 16 | 16 | |||||||||||||
| AOCI Attributable to Parent [Member] | ||||||||||||||||||
| Balance | [5] | (606) | (517) | (614) | (582) | |||||||||||||
| Other comprehensive income/(loss) before reclassifications | (86) | 21 | (77) | 87 | ||||||||||||||
| Amounts reclassified from accumulated other comprehensive income/(loss) [b] | [3] | 0 | (1) | (1) | (2) | |||||||||||||
| Total other comprehensive income/(loss) | [5] | (86) | 20 | (78) | 85 | |||||||||||||
| Balance | [5] | $ (692) | $ (497) | $ (692) | $ (497) | |||||||||||||
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