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Other Charges - Summary of Activity (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | $ 320 | $ 453 |
Russia-Ukraine conflict and other charges | 40 | 1,029 | $ 273
Less: Cash payments | (158) | (127) |
Less: Non-cash charges | 12 | (1,006) |
Foreign currency translation and other | 0 | (29) |
Ending balance | 214 | 320 | 453
Merger related and other charges |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 12 | 31 |
Russia-Ukraine conflict and other charges | 14 | 74 | (65)
Less: Cash payments | (23) | 19 |
Less: Non-cash charges | 12 | (109) |
Foreign currency translation and other | 1 | (3) |
Ending balance | 16 | 12 | 31
Total cost reduction program related charges |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 308 | 422 |
Russia-Ukraine conflict and other charges | 26 | 65 | 338
Less: Cash payments | (135) | (146) |
Less: Non-cash charges | 0 | (7) |
Foreign currency translation and other | (1) | (26) |
Ending balance | 198 | 308 | 422
Total cost reduction program related charges | Total Russia charges |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 0 | 0 |
Russia-Ukraine conflict and other charges | 0 | 890 |
Less: Cash payments | 0 | 0 |
Less: Non-cash charges | 0 | (890) |
Foreign currency translation and other | 0 | 0 |
Ending balance | 0 | 0 | 0
Total cost reduction program related charges | Severance costs |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 281 | 384 |
Russia-Ukraine conflict and other charges | 26 | 41 | 259
Less: Cash payments | (134) | (122) |
Less: Non-cash charges | 0 | 0 |
Foreign currency translation and other | (1) | (22) |
Ending balance | 172 | 281 | 384
Total cost reduction program related charges | Other cost reduction charges |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 27 | 38 |
Russia-Ukraine conflict and other charges | 0 | 24 | 79
Less: Cash payments | (1) | (24) |
Less: Non-cash charges | 0 | (7) |
Foreign currency translation and other | 0 | (4) |
Ending balance | $ 26 | $ 27 | $ 38

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