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Business and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 1 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  |  |
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Sep. 01, 2013 | Dec. 31, 2013 D Facility | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Acute Care Hospitals | Dec. 31, 2012 Acute Care Hospitals | Dec. 31, 2011 Acute Care Hospitals | Dec. 31, 2013 Building Improvements Minimum | Dec. 31, 2013 Building Improvements Maximum | Dec. 31, 2013 Equipment Minimum | Dec. 31, 2013 Equipment Maximum | Dec. 31, 2013 Restricted Stock | Dec. 31, 2013 Medicare And Medicaid Sales | Dec. 31, 2012 Medicare And Medicaid Sales | Dec. 31, 2011 Medicare And Medicaid Sales | Dec. 31, 2013 Care Entities Sales | Dec. 31, 2012 Care Entities Sales | Dec. 31, 2011 Care Entities Sales | Dec. 31, 2013 Las Vegas, Nevada Acute Care Facilities | Dec. 31, 2013 Las Vegas, Nevada Sales | Dec. 31, 2012 Las Vegas, Nevada Sales | Dec. 31, 2011 Las Vegas, Nevada Sales | Dec. 31, 2013 Mcallen Edinburg Texas Sales | Dec. 31, 2012 Mcallen Edinburg Texas Sales | Dec. 31, 2011 Mcallen Edinburg Texas Sales | Dec. 31, 2013 Washington, District of Columbia Acute Care Facilities | Dec. 31, 2013 Laredo, Texas Acute Care Facilities | Dec. 31, 2013 Philadelphia, Pennsylvania Behavioral Health Care Facility | Dec. 31, 2013 Illinois D | Dec. 31, 2012 Illinois | Dec. 31, 2011 Illinois | Jan. 31, 2014 Illinois Subsequent Event | Dec. 31, 2013 Texas
Summary Of Business And Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of revenue |  |  |  |  |  |  |  |  |  |  |  |  | 38.00% | 39.00% | 41.00% | 49.00% | 49.00% | 47.00% |  | 14.00% | 14.00% | 15.00% | 4.00% | 4.00% | 5.00% |  |  |  |  |  |  |  |
Percentage of uninsured discount extended for unqualified charity patients |  | 30.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Establishment of partial reserve in the allowance for doubtful accounts for self-pay balances outstanding from the date of discharge, in days |  | 90 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Establishment of fully reserve for self-pay balances outstanding from the date of discharge, in days |  | 90 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Establishment of fully reserve in the allowance for doubtful accounts for third party liability accounts from the date of discharge, in days |  | 180 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49,000,000 | $ 70,000,000 | $ 54,000,000 | $ 27,000,000 | $ 46,000,000
Receivables due outstanding in excess of 60 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,000,000 | 51,000,000 | 41,000,000 |  |
Receivables days in excess |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 |  |  |  |
Net of allowance for doubtful accounts |  | 395,000,000 | 311,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patients treated at hospitals for non elective services gross income less than federal poverty guidelines |  | 400.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for doubtful accounts |  | 1,127,216,000 | 726,671,000 | 596,576,000 | 1,020,000,000 | 635,000,000 | 519,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalize interest expense |  | 4,900,000 | 5,700,000 | 400,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and equipment, useful lives, maximum years |  |  |  |  |  |  |  | 20 years | 40 years | 3 years | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation expense |  | 285,600,000 | 270,500,000 | 262,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of goodwill or indefinite-lived intangible assets | 0 |  | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other intangible assets, net of accumulated amortization |  | 97,000,000 | 99,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of estimated future payments related to physician-related contractual commitments |  | 3,000,000 | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of potential future financial obligations |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acute care facilities with outside owners holding non-controlling minority interest |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of non-controlling, minority ownership interests held by outside owners |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28.00% |  |  |  |  |  |  | 20.00% | 11.00% | 20.00% |  |  |  |  |
Redeemable non-controlling interest balances |  | 218,000,000 | 234,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-controlling interest balances |  | $ 50,000,000 | $ 53,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Anti-dilutive weighted average stock options excluded from computation of earnings per share |  | 4,000.0 | 2,000,000 | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock, vesting period |  |  |  |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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