Basis of Presentation and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of Revenues from Third Party Payers, Uninsured and Other Payers

Our revenues from third-party payers and others (including uninsured patients) for the quarters and six months ended June 30, 2018 and 2017 are summarized in the following table (dollars in millions):

	Quarter
	2018		Ratio			2017		Ratio
Medicare	$	2,425		21.0	%	$	2,272		21.2	%
Managed Medicare		1,345		11.7			1,158		10.8
Medicaid		357		3.1			376		3.5
Managed Medicaid		586		5.1			527		4.9
Managed care and insurers		5,993		51.9			5,729		53.4
International (managed care and insurers)		295		2.6			269		2.5
Other		528		4.6			402		3.7
Revenues	$	11,529		100.0	%	$	10,733		100.0	%

	Six Months
	2018		Ratio			2017		Ratio
Medicare	$	4,949		21.6	%	$	4,633		21.7	%
Managed Medicare		2,744		12.0			2,341		11.0
Medicaid		638		2.8			670		3.1
Managed Medicaid		1,147		5.0			1,116		5.2
Managed care and insurers		12,055		52.5			11,352		53.2
International (managed care and insurers)		600		2.6			538		2.5
Other		819		3.5			706		3.3
Revenues	$	22,952		100.0	%	$	21,356		100.0	%

Schedule of Estimated Cost of Uncompensated Care

A summary of the estimated cost of total uncompensated care for the quarters and six months ended June 30, 2018 and 2017 follows (dollars in millions):

	Quarter						Six Months
	2018			2017			2018			2017
Patient care costs (salaries and benefits, supplies, other operating expenses and depreciation and amortization)	$	9,871		$	9,177		$	19,738		$	18,326
Cost-to-charges ratio (patient care costs as percentage of gross patient charges)		12.6	%		13.0	%		12.5	%		12.9	%
Total uncompensated care	$	6,486		$	5,721		$	12,738		$	11,048
Multiply by the cost-to-charges ratio		12.6	%		13.0	%		12.5	%		12.9	%
Estimated cost of total uncompensated care	$	817		$	743		$	1,592		$	1,425