101 - Document - Document and Entity Information
link:calculationLink
link:presentationLink
link:definitionLink
103 - Statement - Condensed Consolidated Balance Sheet
link:calculationLink
link:presentationLink
link:definitionLink
104 - Statement - Condensed Consolidated Balance Sheet (Parenthetical)
link:calculationLink
link:presentationLink
link:definitionLink
105 - Statement - Condensed Consolidated Statement of Operations
link:calculationLink
link:presentationLink
link:definitionLink
106 - Statement - Condensed Consolidated Statement of Equity
link:calculationLink
link:presentationLink
link:definitionLink
107 - Statement - Condensed Consolidated Statement of Equity (Parenthetical)
link:calculationLink
link:presentationLink
link:definitionLink
108 - Statement - Condensed Consolidated Statement of Cash Flows
link:calculationLink
link:presentationLink
link:definitionLink
109 - Disclosure - Basis of Presentation
link:calculationLink
link:presentationLink
link:definitionLink
110 - Disclosure - Acquisitions and Dispositions
link:calculationLink
link:presentationLink
link:definitionLink
111 - Disclosure - Additional Balance Sheet Information
link:calculationLink
link:presentationLink
link:definitionLink
112 - Disclosure - Property and Equipment
link:calculationLink
link:presentationLink
link:definitionLink
113 - Disclosure - Long-Term Debt
link:calculationLink
link:presentationLink
link:definitionLink
114 - Disclosure - Other Long-Term Obligations and Commitments
link:calculationLink
link:presentationLink
link:definitionLink
115 - Disclosure - Contingent Liabilities
link:calculationLink
link:presentationLink
link:definitionLink
116 - Disclosure - Stock Options and Other Compensation
link:calculationLink
link:presentationLink
link:definitionLink
117 - Disclosure - Related Party Transactions
link:calculationLink
link:presentationLink
link:definitionLink
118 - Disclosure - Financial Instruments
link:calculationLink
link:presentationLink
link:definitionLink
119 - Disclosure - Earnings Per Share
link:calculationLink
link:presentationLink
link:definitionLink
120 - Disclosure - Basis of Presentation (Policies)
link:calculationLink
link:presentationLink
link:definitionLink
121 - Disclosure - Additional Balance Sheet Information (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
122 - Disclosure - Property and Equipment (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
123 - Disclosure - Other Long-Term Obligations and Commitments (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
124 - Disclosure - Financial Instruments (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
125 - Disclosure - Earnings Per Share (Tables)
link:calculationLink
link:presentationLink
link:definitionLink
126 - Disclosure - Acquisitions and Dispositions - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
127 - Disclosure - Additional Balance Sheet Information - Components of Balance Sheet Amounts (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
128 - Disclosure - Property and Equipment - Components of Property and Equipment (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
129 - Disclosure - Long-Term Debt - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
130 - Disclosure - Other Long-Term Obligations and Commitments - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
131 - Disclosure - Other Long-Term Obligations and Commitments - Summary of Future Minimum Lease Payments for Non-Cancelable Operating Leases (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
132 - Disclosure - Other Long-Term Obligations and Commitments - Reconciliation of Liability for Plugging and Abandonment Costs (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
133 - Disclosure - Stock Options and Other Compensation - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
134 - Disclosure - Related Party Transactions - Additional Information (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
135 - Disclosure - Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
136 - Disclosure - Financial Instruments - Schedule of Changes in Fair Value of Financial Assets and Liabilities Classified as Level 3 (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
137 - Disclosure - Financial Instruments - Effect of Derivative Instruments on Consolidated Balance Sheets (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
138 - Disclosure - Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Operations (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
139 - Disclosure - Earnings per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail)
link:calculationLink
link:presentationLink
link:definitionLink
140 - Disclosure - Earnings per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Parenthetical) (Detail)
link:calculationLink
link:presentationLink
link:definitionLink