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STOCKHOLDERS' EQUITY - Schedule of Changes in the Balance of AOCL, Net of Tax (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 25, 2023 | Jun. 26, 2022 | Jun. 25, 2023 | Jun. 26, 2022 | Jun. 24, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Beginning Balance | $ 9,646 | $ 10,002 | $ 9,266 | $ 10,959 |
Other comprehensive income (loss) before reclassifications |  |  | 5 | 1,577 |
Total reclassified from AOCL |  |  | (61) | 1,261 |
Other comprehensive income (loss), net of tax | 7 | 2,811 | (56) | 2,838 |
Ending Balance | 9,240 | 11,432 | 9,240 | 11,432 |
Outstanding pension benefit obligations and related plan assets |  | 4,300 |  | 4,300 | $ 4,300
Non-cash, non-operating pension settlement charge |  | 1,500 |  | 1,500 |
Non-cash, non-operating pension settlement charge, after tax |  | $ 1,200 |  | $ 1,200 |
Non-cash, non-operating pension settlement charge, per share, after tax (in dollars per share) |  | $ 4.33 |  | $ 4.33 |
Net of tax | (37) | $ 47 | (74) | $ 95 |
Postretirement Benefit Plans |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Beginning Balance |  |  | (7,866) | (10,964) |
Other comprehensive income (loss) before reclassifications |  |  |  | 1,698 |
Total reclassified from AOCL |  |  | (74) | 1,251 |
Other comprehensive income (loss), net of tax |  |  | (74) | 2,949 |
Ending Balance | (7,940) | (8,015) | (7,940) | (8,015) |
Other, net |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Beginning Balance |  |  | (157) | (42) |
Other comprehensive income (loss) before reclassifications |  |  | 5 | (121) |
Total reclassified from AOCL |  |  | 13 | 10 |
Other comprehensive income (loss), net of tax |  |  | 18 | (111) |
Ending Balance | (139) | (153) | (139) | (153) |
AOCL |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Beginning Balance | (8,086) | (10,979) | (8,023) | (11,006) |
Other comprehensive income (loss), net of tax | 7 | 2,811 | (56) | 2,838 |
Ending Balance | (8,079) | (8,168) | (8,079) | (8,168) |
Pension settlement charge |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Total reclassified from AOCL |  |  |  | 1,156 |
Recognition of net actuarial losses |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Total reclassified from AOCL |  |  | 58 | 230 |
Net of tax | 29 | 115 |  |  |
Amortization of net prior service credits |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Total reclassified from AOCL |  |  | (132) | (135) |
Net of tax | $ 66 | $ 68 |  |  |
Other |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |
Total reclassified from AOCL |  |  | $ 13 | $ 10 |

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