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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 15, 2020 | Aug. 17, 2019 | Aug. 15, 2020 | Aug. 17, 2019
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME |  |  |  |
Change in pension and other postretirement defined benefit plans, income tax | $ 1 | $ 2 | $ 3 | $ 5
Unrealized gains and losses on cash flow hedging activities, income tax | $ 1 | (17) | (10) | (26)
Amortization of unrealized gains and losses on cash flow hedging activities, income tax |  | $ 1 | $ 1 | $ 2

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- Definition Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580 + Details
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