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SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Variable Consideration Provisions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance, beginning of year | $ 1,910 | $ 1,863
Current period provision | 6,037 | 5,571
Payments and credits | (6,008) | (5,524)
Balance, end of year | 1,939 | 1,910
Discounts and Allowances |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance, beginning of year | 188 | 222
Current period provision | 619 | 571
Payments and credits | (616) | (605)
Balance, end of year | 191 | 188
Returns |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance, beginning of year | 427 | 482
Current period provision | 146 | 131
Payments and credits | (193) | (186)
Balance, end of year | 380 | 427
Rebates |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance, beginning of year | 1,023 | 944
Current period provision | 2,980 | 2,587
Payments and credits | (2,895) | (2,508)
Balance, end of year | 1,108 | 1,023
Chargebacks |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance, beginning of year | 196 | 170
Current period provision | 2,050 | 2,064
Payments and credits | (2,030) | (2,038)
Balance, end of year | 216 | 196
Distribution Fees |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance, beginning of year | 76 | 45
Current period provision | 242 | 218
Payments and credits | (274) | (187)
Balance, end of year | $ 44 | $ 76

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