Basis of Presentation and Significant Accounting Policies (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2018 and 2017 are summarized in the following table (dollars in millions):

	Quarter
	2018		Ratio			2017		Ratio
Medicare	$	2,404		21.0	%	$	2,298		21.5	%
Managed Medicare		1,344		11.7			1,122		10.5
Medicaid		338		3.0			286		2.7
Managed Medicaid		622		5.4			537		5.0
Managed care and insurers		6,026		52.6			5,605		52.4
International (managed care and insurers)		273		2.4			276		2.6
Other		444		3.9			572		5.3
Revenues	$	11,451		100.0	%	$	10,696		100.0	%

	Nine Months
	2018		Ratio			2017		Ratio
Medicare	$	7,353		21.4	%	$	6,931		21.6	%
Managed Medicare		4,088		11.9			3,463		10.8
Medicaid		976		2.8			956		3.0
Managed Medicaid		1,769		5.1			1,653		5.2
Managed care and insurers		18,081		52.6			16,957		52.9
International (managed care and insurers)		873		2.5			814		2.5
Other		1,263		3.7			1,278		4.0
Revenues	$	34,403		100.0	%	$	32,052		100.0	%

Schedule of Estimated Cost of Uncompensated Care

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

	Quarter						Nine Months
	2018			2017			2018			2017
Patient care costs (salaries and benefits, supplies, other operating expenses and depreciation and amortization)	$	9,946		$	9,472		$	29,684		$	27,798
Cost-to-charges ratio (patient care costs as percentage of gross patient charges)		12.7	%		13.4	%		12.6	%		13.1	%
Total uncompensated care	$	6,786		$	6,089		$	19,524		$	17,137
Multiply by the cost-to-charges ratio		12.7	%		13.4	%		12.6	%		13.1	%
Estimated cost of total uncompensated care	$	862		$	816		$	2,460		$	2,245