Consolidated Balance Sheet - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 19.0	$ 50.3
Accounts receivable—related parties	39.8	21.4
Accounts receivable—third parties	1.6	3.3
Materials and supplies	5.5	4.5
Prepaid expenses	3.8	1.9
Other current assets	0.4	2.3
Total Current Assets	70.1	83.7
Equity investments	1,103.4	944.9
Net properties, plants and equipment	1,674.3	1,644.1
Goodwill	2.5	2.5
Deferred rentals—related parties	5.3	5.6
Deferred tax assets	0.0	0.1
Other assets	24.9	0.7
Total Assets	2,880.5	2,681.6
Liabilities
Accounts payable—related parties	7.3	3.9
Accounts payable—third parties	19.6	66.9
Payroll and benefits payable	0.0	0.7
Accrued property and other taxes	11.8	7.7
Accrued interest	5.1	22.2
Short-term debt	50.0
Deferred revenues—related parties	10.0	4.6
Other current liabilities	1.1	0.9
Total Current Liabilities	104.9	106.9
Notes payable—related party		964.0
Long-term debt	1,091.4	1,090.7
Asset retirement obligations	4.0	3.9
Accrued environmental costs	0.9	0.8
Deferred income taxes	1.0	0.3
Deferred revenues—related parties—long-term	19.9	11.0
Total Liabilities	1,222.1	2,177.6
Equity
General partner—Phillips 66 (2016—1,978,603 units issued and outstanding; 2015—1,683,425 units issued and outstanding)	(599.6)	(650.3)
Accumulated other comprehensive loss	(1.2)	(1.5)
Total Equity	1,658.4	504.0
Total Liabilities and Equity	2,880.5	2,681.6
Phillips 66 [Member]
Equity
Net investment—Predecessors	0.0	113.9
Public [Member] | Common Units [Member]
Equity
Unitholders	1,790.3	808.9
Total Equity	1,790.3	808.9
Non-public [Member] | Common Units [Member] | Phillips 66 [Member]
Equity
Unitholders	468.9	233.0
Total Equity	$ 468.9	$ 233.0