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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 | 9 Months Ended |
--- | --- | --- | ---
Sep. 24, 2023 | Sep. 25, 2022 | Jun. 26, 2022 | Sep. 24, 2023 | Sep. 25, 2022 | Jun. 24, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |  |
Beginning Balance | $ 9,240 | $ 11,432 |  | $ 9,266 | $ 10,959 |
Other comprehensive income (loss) before reclassifications |  |  |  | (41) | 1,606 |
Total reclassified from AOCL |  |  |  | (82) | 1,266 |
Other comprehensive income, net of tax | (67) | 34 |  | (123) | 2,872 |
Ending Balance | 9,274 | 11,966 | $ 11,432 | 9,274 | 11,966 |
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) | (2) |  | (111) | $ 93 |
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 |  |  |  | 0 | 1,860 |
Total reclassified from AOCL |  |  |  | (111) | 1,249 |
Other comprehensive income, net of tax |  |  |  | (111) | 3,109 |
Ending Balance | (7,977) | (7,855) |  | (7,977) | (7,855) |
Other, net |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |  |
Beginning Balance |  |  |  | (157) | (42) |
Other comprehensive income (loss) before reclassifications |  |  |  | (41) | (254) |
Total reclassified from AOCL |  |  |  | 29 | 17 |
Other comprehensive income, net of tax |  |  |  | (12) | (237) |
Ending Balance | (169) | (279) |  | (169) | (279) |
AOCL |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |  |
Beginning Balance | (8,079) | (8,168) |  | (8,023) | (11,006) |
Other comprehensive income, net of tax | (67) | 34 |  | (123) | 2,872 |
Ending Balance | (8,146) | (8,134) | $ (8,168) | (8,146) | (8,134) |
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 |  |  |  | 88 | 295 |
Net of tax | 30 | 65 |  |  |  |
Amortization of net prior service credits |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |  |
Total reclassified from AOCL |  |  |  | (199) | (202) |
Net of tax | $ 67 | $ 67 |  |  |  |
Other |  |  |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax |  |  |  |  |  |
Total reclassified from AOCL |  |  |  | $ 29 | $ 17 |

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