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Note 2 - Acquisitions Rockies Natural Gas Business Acquisition (Details) - Rockies Natural Gas Business Acquisition - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Jul. 22, 2015
Dec. 02, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Acquisition          
Effective date of acquisition Jul. 22, 2015 Dec. 02, 2014      
Purchase price   $ 2,500      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities   $ 230      
Measurement period adjustment       $ 34  
Transaction costs       $ 2 $ 33
Adjustments related to deferred issuance costs         8
Reason for business combination     The acquisition aligns with TLLP’s strategies to focus on stable fee-based business, optimize existing assets, pursue organic growth and grow through acquisitions. The combined system provides a platform for growth across the crude oil and natural gas basin near existing TLLP assets. The Rockies Natural Gas Business Acquisition makes TLLP a full-service, integrated logistics company. Natural gas gathering and processing is an extension of our existing business allowing us to offer integrated crude oil and natural gas services to producers, particularly in the Bakken region.    
Business Acquisition, Pro Forma Information          
Revenues         936
Net earnings         101
Net earnings attributable to partners         $ 106
Common - basic and diluted         $ 0.77
Subordinated - basic and diluted         $ 1.13