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BASIS OF PRESENTAITON (Tables) | 6 Months Ended
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Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of New Accounting Standards | The following table is a summary of the changes in our allowance for doubtful accounts for the three and six months ended June 30, 2020:
(in millions) | Three months ended June 30, 2020 | Six months ended June 30, 2020
Balance at beginning of period | $ | 114 |  | $ | 112 |
Adoption of new accounting standard | — |  | 4 |
Charged to costs and expenses | 5 |  | 12 |
Write-offs | (1) |  | (1) |
Currency translation adjustments | 2 |  | (7) |
Balance at end of period | $ | 120 |  | $ | 120 |

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