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Other Comprehensive Income (Tables)
 12 Months Ended
Dec. 31, 2017
Other Comprehensive Income [Abstract]  
Other Comprehensive Income

TEC reported the following OCI related to the amortization of prior settled amounts and changes in the fair value of cash flow hedges:

Other Comprehensive Income

 

(millions)

 

Gross

 

 

Tax

 

 

Net

 

2017

 

 

 

 

 

 

 

 

 

 

 

 

Unrealized gain on cash flow hedges

 

$

0

 

 

$

0

 

 

$

0

 

Reclassification from AOCI to net income

 

 

1

 

 

 

0

 

 

 

1

 

Gain on cash flow hedges

 

 

1

 

 

 

0

 

 

 

1

 

Total other comprehensive income

 

$

1

 

 

$

0

 

 

$

1

 

2016

 

 

 

 

 

 

 

 

 

 

 

 

Unrealized gain on cash flow hedges

 

$

0

 

 

$

0

 

 

$

0

 

Reclassification from AOCI to net income

 

 

1

 

 

 

0

 

 

 

1

 

Gain on cash flow hedges

 

 

1

 

 

 

0

 

 

 

1

 

Total other comprehensive income

 

$

1

 

 

$

0

 

 

$

1

 

2015

 

 

 

 

 

 

 

 

 

 

 

 

Unrealized gain on cash flow hedges

 

$

4

 

 

$

(1

)

 

$

3

 

Reclassification from AOCI to net income

 

 

2

 

 

 

(1

)

 

 

1

 

Gain on cash flow hedges

 

 

6

 

 

 

(2

)

 

 

4

 

Total other comprehensive income

 

$

6

 

 

$

(2

)

 

$

4

 

 
Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

(millions) As of December 31,

 

2017

 

 

2016

 

Net unrealized losses from cash flow hedges (1)

 

$

(2

)

 

$

(3

)

Total accumulated other comprehensive loss

 

$

(2

)

 

$

(3

)

 (1)

Net of tax benefit of $1 million and $2 million as of December 31, 2017 and 2016, respectively.