Other (Income)/Deductions—Net - Schedule of Other (Income)/Deductions—Net (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 28, 2026 |
Jun. 29, 2025 |
Jun. 28, 2026 |
Jun. 29, 2025 |
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| Other Income and Expenses [Abstract] | ||||||||||||||||
| Interest income | $ (113) | $ (156) | $ (228) | $ (299) | ||||||||||||
| Interest expense | 667 | 654 | 1,336 | 1,308 | ||||||||||||
| Net interest expense | 554 | 498 | 1,108 | 1,009 | ||||||||||||
| Net (gains)/losses recognized during the period on equity securities | [1] | 37 | (75) | 46 | 295 | |||||||||||
| Net periodic benefit costs/(credits) other than service costs | (83) | (101) | (155) | (260) | ||||||||||||
| Certain legal matters, net | [2] | 842 | 422 | 1,033 | 564 | |||||||||||
| Certain asset impairments | [3] | 4,325 | 93 | 4,325 | 317 | |||||||||||
| Net gain from the sale of investment in ViiV | [4] | (1,870) | 0 | (1,870) | 0 | |||||||||||
| Changes in fair value of contingent consideration liabilities | [5] | 255 | 34 | 550 | 42 | |||||||||||
| Other, net | [6] | (344) | (131) | (460) | (275) | |||||||||||
| Other (income)/deductions––net | $ 3,716 | $ 739 | $ 4,577 | $ 1,692 | ||||||||||||
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