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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - CHANGES IN AOCI BY COMPONENT (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 18, 2018 | Aug. 12, 2017 | Aug. 18, 2018 | Aug. 12, 2017
Accumulated other comprehensive income (loss) |  |  |  |
Balance at the beginning of the period |  |  | $ 6,931 |
Amounts reclassified out of AOCI | $ 9 | $ 11 | 25 | $ 24
Total other comprehensive income (loss) | 5 | 12 | 21 | (11)
Balance at the end of the period | 7,374 |  | 7,374 |
Accumulated Other Comprehensive Loss |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |
Balance at the beginning of the period |  |  | (471) | (715)
OCI before reclassifications |  |  | (4) | (35)
Amounts reclassified out of AOCI |  |  | 25 | 24
Total other comprehensive income (loss) |  |  | 21 | (11)
Balance at the end of the period | (450) | (726) | (450) | (726)
Cash Flow Hedging Activities |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |
Balance at the beginning of the period |  |  | 24 | (2)
OCI before reclassifications |  |  |  | (35)
Amounts reclassified out of AOCI |  |  | 2 | 1
Total other comprehensive income (loss) |  |  | 2 | (34)
Balance at the end of the period | 26 | (36) | 26 | (36)
OCI before reclassifications, tax |  |  | (1) | (20)
Amounts reclassified out of AOCI, tax |  |  | 2 | 1
Available for sale Securities |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |
Balance at the beginning of the period |  |  | 4 |
OCI before reclassifications |  |  | (4) |
Total other comprehensive income (loss) |  |  | (4) |
OCI before reclassifications, tax |  |  | (1) |
Pension and Postretirement Defined Benefit Plans |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |
Balance at the beginning of the period |  |  | (499) | (713)
Amounts reclassified out of AOCI | 8 | 10 | 23 | 23
Total other comprehensive income (loss) |  |  | 23 | 23
Balance at the end of the period | (476) | (690) | (476) | (690)
Amounts reclassified out of AOCI, tax | $ 3 | $ 6 | $ 7 | $ 14

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