Subsequent Events (Narrative) (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
	Apr. 01, 2014 item	Mar. 31, 2014
Sharon Regional Health System [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement		Apr. 01, 2014
Business Acquisition, Cost of Acquired Entity, Purchase Price	$ 67
Number of licensed beds	251
Business Acquisition Purchase Price Allocation Net Working Capital	1
Munroe Regional Medical Center [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement		Apr. 01, 2014
Business Acquisition, Cost of Acquired Entity, Purchase Price	191
Number of licensed beds	421
Business Acquisition Purchase Price Allocation Net Working Capital	$ 2