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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Net income |  | $ 1,128 | $ 1,902 | $ 682
Amounts arising during the period - gains (losses), net of tax (expense) benefit: |  |  |  |
Foreign currency translation adjustments, net of tax |  | 538 | (1,107) | (234)
Available-for-sale securities, net of tax |  | 0 | 0 | 8
Qualifying derivatives, net of tax |  | (79) | 91 | 26
Defined benefit plans: |  |  |  |
Prior service costs, net of tax |  | 0 | (3) | (9)
Net actuarial gain (loss), net of tax |  | (308) | (61) | (366)
Reclassifications to net income - (gains) losses, net of tax expense (benefit): |  |  |  |
Available-for-sale securities, net of tax |  | 0 | 0 | (2)
Qualifying derivatives, net of tax |  | 73 | (91) | 2
Equity investees' other comprehensive (income) loss, net of tax |  | 1 | (1) | (1)
Defined benefit plans: |  |  |  |
Prior service costs, net of tax |  | 1 | 1 | 0
Net actuarial (gain) loss, net of tax |  | 130 | 121 | 146
Total other comprehensive income (loss) |  | 356 | (1,050) | (430)
Comprehensive income |  | 1,484 | 852 | 252
PPL Electric Utilities Corp [Member] |  |  |  |
Net income | [1] | 362 | 340 | 252
LG And E And KU Energy LLC [Member] |  |  |  |
Net income |  | 316 | 429 | 364
Defined benefit plans: |  |  |  |
Prior service costs, net of tax |  | (2) | 0 | (3)
Net actuarial gain (loss), net of tax |  | (23) | (27) | (4)
Reclassifications to net income - (gains) losses, net of tax expense (benefit): |  |  |  |
Equity investees' other comprehensive (income) loss, net of tax |  | 1 | (1) | 0
Defined benefit plans: |  |  |  |
Prior service costs, net of tax |  | 1 | 2 | 1
Net actuarial (gain) loss, net of tax |  | 5 | 2 | 5
Total other comprehensive income (loss) |  | (18) | (24) | (1)
Comprehensive income |  | 298 | 405 | 363
Louisville Gas And Electric Co [Member] |  |  |  |
Net income | [2] | 213 | 203 | 185
Kentucky Utilities Co [Member] |  |  |  |
Net income | [3] | 259 | 265 | $ 234
Defined benefit plans: |  |  |  |
Total other comprehensive income (loss) |  | $ 1 | $ (1) |
[1] | Net income equals comprehensive income.
[2] | Net income equals comprehensive income.
[3] | Net income approximates comprehensive income.

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