Financial Instruments (Details)	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jun. 30, 2014 Eksportfinans Loans USD ($)	Jun. 30, 2014 Eksportfinans Loans NOK	Dec. 31, 2013 Eksportfinans Loans USD ($)	Dec. 31, 2013 Eksportfinans Loans NOK	Jun. 30, 2014 Carrying amount USD ($)	Dec. 31, 2013 Carrying amount USD ($)	Dec. 31, 2013 Carrying amount Other current assets USD ($)	Jun. 30, 2014 Carrying amount Other assets USD ($)	Dec. 31, 2013 Carrying amount Other assets USD ($)	Jun. 30, 2014 Carrying amount Eksportfinans Loans USD ($)	Dec. 31, 2013 Carrying amount Eksportfinans Loans USD ($)	Jun. 30, 2014 Carrying amount Certain contingent obligations USD ($)	Dec. 31, 2013 Carrying amount Certain contingent obligations USD ($)	Dec. 31, 2013 Carrying amount Consolidated Variable Interest Entities USD ($)	Jun. 30, 2014 Fair value USD ($)	Dec. 31, 2013 Fair value USD ($)	Jun. 30, 2014 Fair value Level 2 USD ($)	Dec. 31, 2013 Fair value Level 2 USD ($)	Jun. 30, 2014 Fair value Level 2 Eksportfinans Loans USD ($)	Dec. 31, 2013 Fair value Level 2 Eksportfinans Loans USD ($)
Financial instruments
Cash and cash equivalents							$ 2,117,000,000	$ 3,243,000,000									$ 2,117,000,000	$ 3,243,000,000
Notes and other loans receivable							15,000,000	101,000,000	6,000,000	15,000,000	95,000,000						15,000,000	101,000,000
Restricted cash investments			519,000,000	3,200,000,000	594,000,000	3,600,000,000											550,000,000	649,000,000
Restricted cash investments							526,000,000	621,000,000				517,000,000	591,000,000	9,000,000	30,000,000						541,000,000	619,000,000
Long-term debt, including current maturities							10,457,000,000	10,702,000,000									11,682,000,000	11,784,000,000
Derivative instruments, assets							6,000,000										6,000,000
Carrying amount of cash equivalents	1,300,000,000	2,300,000,000
Debt
Fixed rate debt							10,500,000,000	10,500,000,000											11,700,000,000	11,600,000,000
Long-term debt of consolidated variable interest entities, including current maturities																$ 163,000,000