Accounting Policies (Tables)

12 Months Ended

Dec. 31, 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 years ended December 31, are summarized in the following table (dollars in millions):

	Years Ended December 31,
	2018		Ratio			2017		Ratio			2016		Ratio
Medicare	$	9,831		21.1	%	$	9,285		21.3	%	$	8,719		21.0	%
Managed Medicare		5,497		11.8			4,680		10.7			4,278		10.3
Medicaid		1,358		2.9			1,316		3.0			1,278		3.1
Managed Medicaid		2,403		5.1			2,165		5.0			2,317		5.6
Managed care and other insurers		24,467		52.4			23,342		53.5			22,287		53.7
International (managed care and insurers)		1,156		2.5			1,097		2.5			1,195		2.9
Other		1,965		4.2			1,729		4.0			1,416		3.4
Revenues	$	46,677		100.0	%	$	43,614		100.0	%	$	41,490		100.0	%

Schedule of Estimated Cost of Uncompensated Care

A summary of the estimated cost of total uncompensated care for the years ended December 31, follows (dollars in millions):

	2018			2017			2016
Patient care costs (salaries and benefits, supplies, other operating expenses and depreciation and amortization)	$	40,035		$	37,557		$	35,304
Cost-to-charges ratio (patient care costs as percentage of gross patient charges)		12.4	%		12.9	%		13.5	%
Total uncompensated care	$	26,757		$	23,420		$	20,455
Multiply by the cost-to-charges ratio		12.4	%		12.9	%		13.5	%
Estimated cost of total uncompensated care	$	3,318		$	3,021		$	2,761