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Supplemental financial information (Tables) | 6 Months Ended
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Jun. 30, 2017
Disclosure Text Block Supplement [Abstract] |
Amounts Reclassified Out of AOCI to Net Income, Net of Taxes | The table below details where these transactions are recorded in our Consolidated Statements of Income.
|  | For Three Months Ended |  |  | For Six Months Ended |  |  |
|  | June 30, |  |  | June 30, |  |  | Impact to Related
Details about AOCI Components |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | Statement of Income Lines
Net actuarial gains (losses) of defined benefit plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized net actuarial loss and Settlement losses (a) |  | $ |  | 16 |  |  | $ |  | 20 |  |  | $ |  | 34 |  |  | $ |  | 40 |  |  | Decrease to OI&E
Tax effect |  |  |  | (5 | ) |  |  |  | (7 | ) |  |  |  | (11 | ) |  |  |  | (13 | ) |  | Decrease to Provision for income taxes
Recognized within Net income, net of taxes |  | $ |  | 11 |  |  | $ |  | 13 |  |  | $ |  | 23 |  |  | $ |  | 27 |  |  | Decrease to Net income
Prior service (cost) credit of defined benefit plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service credit (a) |  | $ |  | (2 | ) |  | $ |  | (2 | ) |  | $ |  | (3 | ) |  | $ |  | (3 | ) |  | Increase to OI&E
Tax effect |  |  |  | 1 |  |  |  |  | 1 |  |  |  |  | 1 |  |  |  |  | 1 |  |  | Increase to Provision for income taxes
Recognized within Net income, net of taxes |  | $ |  | (1 | ) |  | $ |  | (1 | ) |  | $ |  | (2 | ) |  | $ |  | (2 | ) |  | Increase to Net income
(a) | Detailed in Note 7.

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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