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ACCUMULATED OTHER COMPREHENSIVE EARNINGS (LOSSES) (AOCE) | 12 Months Ended
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Dec. 31, 2021
Stockholders' Equity Note [Abstract] |
ACCUMULATED OTHER COMPREHENSIVE EARNINGS (LOSSES) (AOCE) | ACCUMULATED OTHER COMPREHENSIVE EARNINGS (LOSSES) (AOCE) The components of AOCE consisted of the following (in millions of dollars):
| Foreign Currency Translation and Other | Defined Postretirement Benefit Plan | Other Employment-related Benefit Plans |  | Total | Foreign Currency Translation Attributable to Noncontrolling Interests | AOCE Attributable to W.W. Grainger, Inc.
Balance at January 1, 2019 – net of tax | $ | (264) |  | $ | 82 |  | $ | (5) |  |  | $ | (187) |  | $ | (16) |  | $ | (171) |
Other comprehensive earnings (loss) before reclassifications – net of tax | 25 |  | 8 |  | (3) |  |  | 30 |  | 3 |  | 27 |
Amounts reclassified to Net earnings | 1 |  | (11) |  | — |  |  | (10) |  | — |  | (10) |
Net current period activity | $ | 26 |  | $ | (3) |  | $ | (3) |  |  | $ | 20 |  | $ | 3 |  | $ | 17 |
Balance at December 31, 2019 – net of tax | $ | (238) |  | $ | 79 |  | $ | (8) |  |  | $ | (167) |  | $ | (13) |  | $ | (154) |
Other comprehensive earnings (loss) before reclassifications – net of tax | 36 |  | 33 |  | — |  |  | 69 |  | 12 |  | 57 |
Amounts reclassified to Net earnings | 47 |  | (11) |  | — |  |  | 36 |  | — |  | 36 |
Net current period activity | $ | 83 |  | $ | 22 |  | $ | — |  |  | $ | 105 |  | $ | 12 |  | $ | 93 |
Balance at December 31, 2020 – net of tax | $ | (155) |  | $ | 101 |  | $ | (8) |  |  | $ | (62) |  | $ | (1) |  | $ | (61) |
Other comprehensive earnings (loss) before reclassifications – net of tax | (64) |  | 12 |  | 2 |  |  | (50) |  | (29) |  | (21) |
Amounts reclassified to Net earnings | — |  | (14) |  | — |  |  | (14) |  | — |  | (14) |
Net current period activity | (64) |  | (2) |  | 2 |  |  | (64) |  | (29) |  | (35) |
Balance at December 31, 2021 – net of tax | $ | (219) |  | $ | 99 |  | $ | (6) |  |  | $ | (126) |  | $ | (30) |  | $ | (96) |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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