Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Cash receipts from customers	$ 389,128	$ 357,995	$ 345,464
Cash paid for inventory, prescriptions dispensed and health services rendered	(216,493)	(197,726)	(208,848)
Insurance benefits paid	(121,238)	(109,464)	(84,097)
Cash paid to other suppliers and employees	(37,570)	(38,821)	(34,735)
Interest and investment income received	1,969	1,735	1,584
Interest paid	(2,991)	(2,909)	(2,418)
Income taxes paid	(2,166)	(1,703)	(3,524)
Net cash provided by operating activities	10,639	9,107	13,426
Cash flows from investing activities:
Proceeds from sales and maturities of investments	12,383	10,353	7,729
Purchases of investments	(15,012)	(15,191)	(9,043)
Purchases of property and equipment	(2,832)	(2,781)	(3,031)
Acquisitions (net of cash and restricted cash acquired)	(436)	(95)	(16,612)
Other	26	101	68
Net cash used in investing activities	(5,871)	(7,613)	(20,889)
Cash flows from financing activities:
Commercial paper borrowings (repayments), net	(2,119)	1,919	200
Proceeds from issuance of short-term loan	0	0	5,000
Repayment of short-term loan	0	0	(5,000)
Proceeds from issuance of long-term debt	3,969	7,913	10,898
Repayments of long-term debt	(3,629)	(4,773)	(3,166)
Repurchase of common stock	0	(3,023)	(2,012)
Dividends paid	(3,397)	(3,373)	(3,132)
Proceeds from exercise of stock options	394	361	277
Payments for taxes related to net share settlement of equity awards	(158)	(185)	(181)
Other	0	26	(201)
Net cash provided by (used in) financing activities	(4,940)	(1,135)	2,683
Net increase (decrease) in cash, cash equivalents and restricted cash	(172)	359	(4,780)
Cash, cash equivalents and restricted cash at the beginning of the period	8,884	8,525	13,305
Cash, cash equivalents and restricted cash at the end of the period	8,712	8,884	8,525
Reconciliation of net income to net cash provided by operating activities:
Net income	1,728	4,586	8,368
Adjustments required to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,606	4,597	4,366
Goodwill impairment	5,725	0	0
Loss on assets held for sale	0	0	349
Stock-based compensation	535	540	588
Loss on sale of subsidiary	236	0	0
Gain on early extinguishment of debt	0	(491)	0
Gain on deconsolidation of subsidiary	(483)	0	0
Restructuring charges (impairment of long-lived assets)	0	840	152
Deferred income taxes	102	(572)	(676)
Other items	(336)	(502)	264
Change in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable, net	(3,498)	(1,301)	(6,260)
Inventories	(1,267)	(102)	1,233
Other assets	(2,593)	(38)	(510)
Accounts payable and pharmacy claims and discounts payable	3,855	2,335	3,618
Health care costs payable and other insurance liabilities	16	2,757	394
Other liabilities	2,013	(3,542)	1,540
Net cash provided by operating activities	$ 10,639	$ 9,107	$ 13,426