OTHER FINANCIAL INFORMATION - Summary of Accounts Receivable, Net (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Accounts Receivable, Net [Line Items]
Accounts receivable	$ 5,544	$ 5,895
Less: allowances for chargebacks	661	843
Less: allowances for cash discounts and other	98	97
Less: allowances for credit losses	44	41
Accounts receivable, net	$ 4,741	$ 4,913
Three Wholesalers \| Accounts Receivable \| Customer Concentration Risk
Accounts Receivable, Net [Line Items]
Percentage of revenues	60.00%

Accounts Receivable, Cash Discounts and Other, Current

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