v3.3.1.900
Litigation And Other Contingencies (Schedule Of Unconditional Purchase Obligations) (Details)
$ in Millions
Dec. 31, 2015
USD ($)
Unrecorded Unconditional Purchase Obligation [Line Items]  
2016 $ 133 [1]
2017-2020 493 [1]
2021 and Beyond 310 [1]
Total 936 [1]
Present value of these commitments 792
Undiscounted unconditional purchase obligations 936 [1]
Imputed interest 144
Equity Company Obligations [Member]  
Unrecorded Unconditional Purchase Obligation [Line Items]  
Total 411
Undiscounted unconditional purchase obligations $ 411
[1] Undiscounted obligations of $936 million mainly pertain to pipeline throughput agreements and include $411 million of obligations to equity companies. The present value of these commitments, which excludes imputed interest of $144 million, totaled $792 million.