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Tax Matters (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2017 | Oct. 02, 2016 | Oct. 01, 2017 | Oct. 02, 2016
Income Tax Disclosure [Abstract] |  |  |  |  |
Foreign currency translation adjustments, net | [1] | $ (62) | $ 0 | $ (192) | $ (15)
Unrealized holding losses on derivative financial instruments, net |  | 28 | 0 | 30 | (192)
Reclassification adjustments for realized (gains)/losses |  | (29) | 32 | (169) | 81
Derivatives qualifying as hedges, tax, total |  | (1) | 32 | (139) | (112)
Unrealized holding gains on available-for-sale securities, net |  | 37 | 40 | 93 | 106
Reclassification adjustments for realized gains |  | (49) | (14) | (45) | (16)
Available-for-sale securities, tax, total |  | (12) | 26 | 47 | 90
Benefit plans: actuarial losses, net |  | (37) | (31) | (15) | (39)
Reclassification adjustments related to amortization |  | 60 | 47 | 152 | 140
Reclassification adjustments related to settlements, net |  | 22 | 10 | 30 | 27
Other |  | (33) | 14 | (46) | 5
Defined benefit plans, actuarial gain (loss), tax, total |  | 11 | 40 | 121 | 133
Benefit plans: prior service (costs)/credits and other, net |  | 0 | 35 | 0 | 66
Reclassification adjustments related to amortization |  | (17) | (17) | (50) | (47)
Reclassification adjustments related to curtailments, net |  | (1) | (3) | (5) | (5)
Other |  | 1 | 2 | 1 | 1
Pension and other postretirement benefit plans, net prior service cost (credit), tax |  | (17) | 18 | (55) | 15
Tax provision/(benefit) on other comprehensive income | [2],[3] | $ (80) | $ 116 | $ (218) | $ 111
[1] | Taxes are not provided for foreign currency translation adjustments relating to investments in international subsidiaries that will be held indefinitely.
[2] | Amounts may not add due to rounding.
[3] | See Note 5C. Tax Matters: Tax Provision/(Benefit) on Other Comprehensive Income.

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