CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Services	Health Care [Member]	Health Care [Member]
Revenues:
Premiums	$ 37,709	$ 30,514
Services	1,677	1,334
Investment income	262	264
Total revenues	39,648	32,112
Operating expenses:
Benefits	33,707	26,535
Operating costs	4,024	3,380
Depreciation and amortization	163	183
Total operating expenses	37,894	30,098
Income from operations	1,754	2,014
Interest expense	193	160
Other (income) expense, net	(34)	163
Income before income taxes and equity in net losses	1,595	1,691
Provision for income taxes	395	406
Equity in net losses	(16)	(43)
Net income	1,184	1,242
Net loss attributable to noncontrolling interests	2	2
Net income attributable to Humana	$ 1,186	$ 1,244
Basic earnings per common share (in dollars per share)	$ 9.85	$ 10.31
Diluted earnings per common share (in dollars per share)	$ 9.83	$ 10.30

The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs.

Name:	us-gaap_BenefitsLossesAndExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.