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Income Taxes | 6 Months Ended
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Jun. 30, 2017
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes The provision for income taxes differs from the amount of income tax determined by applying the U.S. statutory federal income tax rate to pre-tax income as a result of the following items:
| Three Months Ended |  | Six Months Ended
| June 30 |  | June 30
| 2017 |  | 2016 |  | 2017 |  | 2016
U.S. statutory rate at 35% | $ | 70 |  |  | $ | 88 |  |  | $ | 133 |  |  | $ | 136 |
Tax on foreign income | (21 | ) |  | (27 | ) |  | (42 | ) |  | (41 | )
Tax contingencies | 2 |  |  | 1 |  |  | 5 |  |  | 1 |
Valuation allowance | — |  |  | — |  |  | 3 |  |  | 2 |
Other items, net | 2 |  |  | 3 |  |  | — |  |  | 5 |
Income tax provision | $ | 53 |  |  | $ | 65 |  |  | $ | 99 |  |  | $ | 103 |

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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