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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Changes in Accumulated Other Comprehensive Income/(Loss) |  |  |  |
Beginning balance | $ 14,201 | $ 11,499 | $ 14,177 | $ 11,190
Total period activity | (52) |  | 22 | 108
Ending balance | 14,059 | 11,061 | 14,059 | 11,061
Derivative Instruments |  |  |  |
Changes in Accumulated Other Comprehensive Income/(Loss) |  |  |  |
Beginning balance |  |  | (208) | (258)
Reclassification adjustments |  |  | 6 | 6
Unrealized gain on hedges |  |  | 68 | 29
Total period activity |  |  | 74 | 35
Ending balance | (134) | (223) | (134) | (223)
Translation Adjustments |  |  |  |
Changes in Accumulated Other Comprehensive Income/(Loss) |  |  |  |
Beginning balance |  |  | (642) | (657)
Currency translation adjustments |  |  | (50) | 73
Total period activity |  |  | (50) | 73
Ending balance | (692) | (584) | (692) | (584)
Other |  |  |  |
Changes in Accumulated Other Comprehensive Income/(Loss) |  |  |  |
Beginning balance |  |  | (3) | (3)
Other |  |  | (2) |
Total period activity |  |  | (2) |
Ending balance | (5) | (3) | (5) | (3)
Total |  |  |  |
Changes in Accumulated Other Comprehensive Income/(Loss) |  |  |  |
Beginning balance |  |  | (853) | (918)
Reclassification adjustments |  |  | 6 | 6
Unrealized gain on hedges |  |  | 68 | 29
Currency translation adjustments |  |  | (50) | 73
Other |  |  | (2) |
Total period activity |  |  | 22 | 108
Ending balance | $ (831) | $ (810) | $ (831) | $ (810)

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- Definition Amount, after tax and before reclassification, of 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 10A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 + Details
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 + Details
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