UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Jun. 30, 2017		Dec. 31, 2016		Jun. 30, 2016	[3]	Dec. 31, 2015	[3]
Current assets
Cash and cash equivalents		$ 135.4	[1]	$ 121.9	[1],[2]	$ 168.6		$ 93.0
Accounts receivable – third parties, net		17.7		20.8	[2]
Accounts receivable – related parties		23.0		12.1	[2]
Allowance oil		8.3		11.7	[2]
Prepaid expenses		4.5		6.5	[2]
Total current assets		188.9		173.0	[2]
Equity method investments		255.1		262.4	[2]
Property, plant and equipment, net		614.3		610.6	[2]
Cost investments		39.8		39.8	[2]
Other assets		0.6		0.6	[2]
Total assets		1,098.7		1,086.4	[2]
Current liabilities
Accounts payable – third parties		3.6		4.1	[2]
Accounts payable – related parties		11.4		5.4	[2]
Deferred revenue – third parties		7.2		6.0	[2]
Deferred revenue – related parties		15.3		7.9	[2]
Accrued liabilities – third parties		13.5		6.9	[2]
Accrued liabilities – related parties		6.2		5.1	[2]
Total current liabilities		57.2		35.4	[2]
Noncurrent liabilities
Debt payable – related party		1,265.4		686.0	[2]
Lease liability		24.6		24.9	[2]
Asset retirement obligations		1.4		1.4	[2]
Other unearned income		2.6		2.1	[2]
Total noncurrent liabilities		1,294.0		714.4	[2]
Total liabilities		1,351.2		749.8	[2]
Commitments and Contingencies (Note 11)					[2]
EQUITY
Total partners' capital		(273.4)		98.3	[2]
Noncontrolling interest		20.9		21.6	[2]
Net parent investment		0.0		216.7	[2]
Total equity	[4]	(252.5)		336.6	[2]
Total liabilities and equity		1,098.7		1,086.4	[2]
Shell Pipeline Company L P
EQUITY
General partner unitholders		(2,257.5)		(1,873.7)	[2]
Common Units | General Public
EQUITY
Limited partner unitholders		2,493.2		2,485.7	[2]
Common Units | Shell Pipeline Company L P
EQUITY
Limited partner unitholders		(509.1)		(124.1)	[2]
Subordinated Units | Shell Pipeline Company L P
EQUITY
Limited partner unitholders		0.0		(389.6)	[2]
Total equity		$ 0.0		$ (389.6)

[1] The 2017 financial information reflects adjustments for the acquisition of the Shell Delta, Na Kika and Refinery Gas Pipeline Operations from January 1, 2017 through May 9, 2017.

[2] Prior period financial information has been retrospectively adjusted for the acquisition of the Shell Delta, Na Kika and Refinery Gas Pipeline Operations.

[3] Prior period financial information has been retrospectively adjusted for the acquisition of the Shell Delta, Na Kika and Refinery Gas Pipeline Operations.

[4] Prior period financial information has been retrospectively adjusted for the acquisition of the Shell Delta, Na Kika and Refinery Gas Pipeline Operations.