Schedule II-Condensed Financial Information of Registrant - Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating activities
Net cash provided by operating activities									$ 4,290	$ 5,808	$ 8,061
Investing activities
Purchases of investments									(15,026)	(17,986)	(16,236)
Changes in securities lending collateral									(385)	73	78
Net cash used in investing activities									(1,344)	(5,167)	(5,572)
Financing activities
Proceeds from long-term borrowings									2,991	7,710	2,574
Repayments of long-term borrowings									(2,147)	(1,650)	(1,909)
Changes in securities lending payable									386	(75)	(77)
Repurchase and retirement of common stock									(2,605)	(2,900)	(2,676)
Cash dividends	$ (377)	$ (381)	$ (385)	$ (386)	$ (373)	$ (378)	$ (378)	$ (379)	(1,529)	(1,508)	(1,395)
Proceeds from issuance of common stock under employee stock plans									51	154	87
Taxes paid through withholding of common stock under employee stock plans									(32)	(109)	(99)
Changes in bank overdrafts									1,312	(638)	114
Other, net									22	2	7
Net cash provided by (used in) financing activities									(1,738)	1,193	(3,349)
Change in cash and cash equivalents									1,203	1,828	(861)
Cash and cash equivalents at beginning of year				8,288				6,526	8,288	6,526	7,387
Cash and cash equivalents at end of year	9,491				8,288				9,491	8,288	6,526
Elevance Health, Inc.
Operating activities
Net cash provided by operating activities									4,839	1,451	4,113
Investing activities
Purchases of investments									(296)	(3,240)	(95)
Proceeds from sales, maturities, calls and redemptions of investments									580	1,567	212
Capitalization of subsidiaries									(1,567)	(324)	(363)
Changes in securities lending collateral									17	(16)	42
Purchases of property and equipment, net of sales									(43)	(36)	(55)
Net cash used in investing activities									(1,309)	(2,049)	(259)
Financing activities
Proceeds from long-term borrowings									2,991	7,710	2,574
Repayments of long-term borrowings									(2,147)	(1,650)	(1,909)
Changes in securities lending payable									(17)	16	(42)
Repurchase and retirement of common stock									(2,605)	(2,900)	(2,676)
Cash dividends									(1,611)	(1,586)	(1,466)
Proceeds from issuance of common stock under employee stock plans									79	221	152
Taxes paid through withholding of common stock under employee stock plans									(32)	(109)	(99)
Changes in bank overdrafts									500	(717)	152
Other, net									(10)	0	1
Net cash provided by (used in) financing activities									(2,852)	985	(3,313)
Change in cash and cash equivalents									678	387	541
Cash and cash equivalents at beginning of year				$ 1,870				$ 1,483	1,870	1,483	942
Cash and cash equivalents at end of year	$ 2,548				$ 1,870				$ 2,548	$ 1,870	$ 1,483