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REVENUE RECOGNITION - Variable Consideration Provisions (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Reserve beginning balance | $ 1,863 | $ 1,813
Current period provisions | 4,145 | 4,062
Payments and credits | (4,064) | (3,924)
Reserve ending balance | 1,944 | 1,951
Discounts and Allowances |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Reserve beginning balance | 222 | 190
Current period provisions | 427 | 472
Payments and credits | (452) | (448)
Reserve ending balance | 197 | 214
Returns |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Reserve beginning balance | 482 | 575
Current period provisions | 84 | 94
Payments and credits | (145) | (167)
Reserve ending balance | 421 | 502
Rebates |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Reserve beginning balance | 944 | 779
Current period provisions | 1,911 | 1,842
Payments and credits | (1,847) | (1,619)
Reserve ending balance | 1,008 | 1,002
Chargebacks |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Reserve beginning balance | 170 | 184
Current period provisions | 1,558 | 1,487
Payments and credits | (1,532) | (1,524)
Reserve ending balance | 196 | 147
Distribution Fees |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Reserve beginning balance | 45 | 85
Current period provisions | 165 | 167
Payments and credits | (88) | (166)
Reserve ending balance | $ 122 | $ 86

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