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RECENT ACCOUNTING PRONOUNCEMENTS - Effect of Topic 606 and ASU 2017-07 Adoption on Cash Flows Statement (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 24, 2018 | Jun. 25, 2017 | Jun. 24, 2018 | Jun. 25, 2017
Operating activities |  |  |  |
Net earnings | $ 1,163 | $ 955 | $ 2,320 | $ 1,744
Adjustments to reconcile net earnings to net cash provided by operating activities |  |  |  |
Depreciation and amortization |  |  | 566 | 581
Stock-based compensation |  |  | 98 | 101
Changes in assets and liabilities |  |  |  |
Receivables, net |  |  | (217) | (619)
Contract assets |  |  | (1,289) | (170)
Inventories |  |  | (160) | (38)
Accounts payable |  |  | 1,224 | 940
Contract liabilities |  |  | (615) | (388)
Postretirement benefit plans |  |  | (2,790) | 685
Income taxes |  |  | 928 | 3
Other, net |  |  | 399 | 371
Net cash provided by operating activities |  |  | $ 560 | 3,210
Historical |  |  |  |
Operating activities |  |  |  |
Net earnings |  | 942 |  | 1,705
Adjustments to reconcile net earnings to net cash provided by operating activities |  |  |  |
Depreciation and amortization |  |  |  | 581
Stock-based compensation |  |  |  | 101
Changes in assets and liabilities |  |  |  |
Receivables, net |  |  |  | (560)
Contract assets |  |  |  | 0
Inventories |  |  |  | (271)
Accounts payable |  |  |  | 940
Contract liabilities |  |  |  | (316)
Postretirement benefit plans |  |  |  | 685
Income taxes |  |  |  | 3
Other, net |  |  |  | 342
Net cash provided by operating activities |  |  |  | 3,210
Adjustments for | ASC 606 |  |  |  |
Operating activities |  |  |  |
Net earnings |  | $ 13 |  | 39
Adjustments to reconcile net earnings to net cash provided by operating activities |  |  |  |
Depreciation and amortization |  |  |  | 0
Stock-based compensation |  |  |  | 0
Changes in assets and liabilities |  |  |  |
Receivables, net |  |  |  | (59)
Contract assets |  |  |  | (170)
Inventories |  |  |  | 233
Accounts payable |  |  |  | 0
Contract liabilities |  |  |  | (72)
Postretirement benefit plans |  |  |  | 0
Income taxes |  |  |  | 0
Other, net |  |  |  | 29
Net cash provided by operating activities |  |  |  | $ 0

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