Condensed Consolidated Statements of Operations - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Condensed Consolidated Statements of Operations
Net revenues	$ 46,708,000,000	$ 45,685,000,000	$ 92,401,000,000	$ 90,199,000,000
Cost of revenue	39,507,000,000	38,759,000,000	78,341,000,000	76,702,000,000
Gross profit	7,201,000,000	6,926,000,000	14,060,000,000	13,497,000,000
Operating expenses
Goodwill impairments	3,921,000,000	135,000,000	3,921,000,000	135,000,000
Other operating expenses	4,867,000,000	4,674,000,000	9,780,000,000	9,452,000,000
Operating expenses		4,809,000,000		9,587,000,000
Operating profit (loss)	(1,587,000,000)	2,117,000,000	359,000,000	3,910,000,000
Interest expense, net	475,000,000	247,000,000	948,000,000	499,000,000
Other expense	3,000,000	7,000,000	6,000,000	14,000,000
Income (loss) before income tax provision	(2,065,000,000)	1,863,000,000	(595,000,000)	3,397,000,000
Income tax provision	497,000,000	766,000,000	969,000,000	1,338,000,000
Income (loss) from continuing operations	(2,562,000,000)	1,097,000,000	(1,564,000,000)	2,059,000,000
Income (loss) from discontinued operations, net of tax	(1,000,000)	1,000,000	(1,000,000)	(8,000,000)
Net income (loss)	(2,563,000,000)	1,098,000,000	(1,565,000,000)	2,051,000,000
Net income attributable to noncontrolling interest				(1,000,000)
Net income (loss) attributable to CVS Health	$ (2,563,000,000)	$ 1,098,000,000	$ (1,565,000,000)	$ 2,050,000,000
Basic earnings (loss) per share:
Income (loss) from continuing operations attributable to CVS Health (in dollars per share)	$ (2.52)	$ 1.07	$ (1.54)	$ 2.00
Loss from discontinued operations attributable to CVS Health (in dollars per share)				(0.01)
Net income (loss) attributable to CVS Health (in dollars per share)	$ (2.52)	$ 1.07	$ (1.54)	$ 1.99
Weighted average shares outstanding (in shares)	1,018	1,019	1,017	1,024
Diluted earnings (loss) per share:
Income (loss) from continuing operations attributable to CVS Health (in dollars per share)	$ (2.52)	$ 1.07	$ (1.54)	$ 1.99
Loss from discontinued operations attributable to CVS Health (in dollars per share)				(0.01)
Net income (loss) attributable to CVS Health (in dollars per share)	$ (2.52)	$ 1.07	$ (1.54)	$ 1.98
Weighted average shares outstanding (in shares)	1,018	1,024	1,017	1,029
Dividends declared per share (in dollars per share)	$ 0.50	$ 0.50	$ 1.00	$ 1.00