Long-Term Debt	9 Months Ended
Sep. 30, 2016
Debt Disclosure [Abstract]
Long-Term Debt	Long-term Debt Credit facility. The Company's long-term debt consists of senior notes, a revolving corporate credit facility (the "Credit Facility") and the effects of issuance costs, issuance discounts and net deferred fair value hedge losses. The Credit Facility is maintained with a syndicate of financial institutions and has aggregate loan commitments of $1.5 billion that expire in August 2020. As of September 30, 2016, the Company had no outstanding borrowings under the Credit Facility and was in compliance with its debt covenants. Senior notes. The Company's 5.875% senior notes (the "5.875% Senior Notes") matured and were repaid in July 2016. The Company funded the $455 million repayment of the 5.875% Senior Notes with cash on hand. The Company's 6.65% senior notes, with an outstanding debt principal balance of $485 million, will mature in March 2017 and are classified as current in the accompanying consolidated balance sheets as of September 30, 2016.

Long-term Debt

Credit facility. The Company's long-term debt consists of senior notes, a revolving corporate credit facility (the "Credit Facility") and the effects of issuance costs, issuance discounts and net deferred fair value hedge losses. The Credit Facility is maintained with a syndicate of financial institutions and has aggregate loan commitments of $1.5 billion that expire in August 2020. As of September 30, 2016, the Company had no outstanding borrowings under the Credit Facility and was in compliance with its debt covenants.

Senior notes. The Company's 5.875% senior notes (the "5.875% Senior Notes") matured and were repaid in July 2016. The Company funded the $455 million repayment of the 5.875% Senior Notes with cash on hand. The Company's 6.65% senior notes, with an outstanding debt principal balance of $485 million, will mature in March 2017 and are classified as current in the accompanying consolidated balance sheets as of September 30, 2016.