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Provision (Benefit) for Income Taxes
 9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]  
Provision (Benefit) for Income Taxes
Note 6 – Provision (Benefit) for Income Taxes
The Provision (benefit) for income taxes includes:
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2015
 
2014
 
2015
 
2014
 
(Millions)
Current:
 
 
 
 
 
 
 
Federal
$
—

 
$
(15
)
 
$
—

 
$
98

State
—

 
(2
)
 
1

 
2

Foreign
2

 
2

 
6

 
7

 
2

 
(15
)
 
7

 
107

Deferred:
 
 
 
 
 
 
 
Federal
(60
)
 
911

 
38

 
910

State
(6
)
 
98

 
(4
)
 
103

Foreign
(1
)
 
4

 
7

 
13

 
(67
)
 
1,013

 
41

 
1,026

 
 
 
 
 
 
 
 
Total provision (benefit)
$
(65
)
 
$
998

 
$
48

 
$
1,133


The effective income tax rate for the total benefit for the three months ended September 30, 2015, is less than the federal statutory rate primarily due to the impact of nontaxable noncontrolling interests, partially offset by the effect of state income taxes and taxes on foreign operations.
The effective income tax rate for the total provision for the nine months ended September 30, 2015, is greater than the federal statutory rate primarily due to a $14 million tax provision associated with an adjustment to the prior year taxable foreign income and taxes on foreign operations, partially offset by the impact of nontaxable noncontrolling interests and the effect of state income taxes.
The effective income tax rate for the total provision for the three months ended September 30, 2014, is greater than the federal statutory rate primarily due to the effect of state income taxes, partially offset by taxes on foreign operations and the impact of nontaxable noncontrolling interests.
The effective income tax rate for the total provision for the nine months ended September 30, 2014, is greater than the federal statutory rate primarily due to the effect of state income taxes and taxes on foreign operations, partially offset by a tax benefit related to the contribution of certain Canadian operations to WPZ in the first quarter of 2014 and the impact of nontaxable noncontrolling interests.
The federal and state income tax provisions for the three and nine months ended September 30, 2014 include the tax effect of a $2.5 billion gain associated with remeasuring our equity-method investment to fair value as a result of the ACMP Acquisition. (See Note 4 – Investing Activities.)
During the next 12 months, we do not expect ultimate resolution of any unrecognized tax benefit associated with domestic or international matters to have a material impact on our unrecognized tax benefit position.