Income Taxes	9 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	Income Taxes We recognized total income tax expense from continuing operations of $130 million and $336 million for the three months and nine months ended September 30, 2016, compared to income tax expense of $144 million and $341 million for the same periods in 2015. The decrease in income tax expense for the three months ended September 30, 2016, compared to the same period in 2015, was primarily driven by lower pretax earnings. The decrease in income tax expense for the nine months ended September 30, 2016, compared to the same period in 2015, was primarily driven by a tax benefit that resulted from a U.S. tax reserve release related to a prior year federal return that reduced our liability for unrecognized tax benefits. This tax benefit was offset by increases in tax expense attributable to higher pretax earnings and the establishment of a valuation allowance on capital loss carryforwards. As of each reporting date, we consider existing evidence, both positive and negative, that could impact our view with regard to future realization of deferred tax assets. We continue to believe it is more likely than not that the benefit for capital loss carryforwards, certain foreign tax credits and state net operating loss carryforwards will not be realized. In recognition of this risk, we continue to provide a full valuation allowance on capital loss carryforwards and a partial valuation allowance on the deferred tax assets relating to foreign tax credits and state net operating loss carryforwards.

Income Taxes

9 Months Ended

Sep. 30, 2016

Income Taxes

We recognized total income tax expense from continuing operations of $130 million and $336 million for the three months and nine months ended September 30, 2016, compared to income tax expense of $144 million and $341 million for the same periods in 2015. The decrease in income tax expense for the three months ended September 30, 2016, compared to the same period in 2015, was primarily driven by lower pretax earnings. The decrease in income tax expense for the nine months ended September 30, 2016, compared to the same period in 2015, was primarily driven by a tax benefit that resulted from a U.S. tax reserve release related to a prior year federal return that reduced our liability for unrecognized tax benefits. This tax benefit was offset by increases in tax expense attributable to higher pretax earnings and the establishment of a valuation allowance on capital loss carryforwards.

As of each reporting date, we consider existing evidence, both positive and negative, that could impact our view with regard to future realization of deferred tax assets. We continue to believe it is more likely than not that the benefit for capital loss carryforwards, certain foreign tax credits and state net operating loss carryforwards will not be realized. In recognition of this risk, we continue to provide a full valuation allowance on capital loss carryforwards and a partial valuation allowance on the deferred tax assets relating to foreign tax credits and state net operating loss carryforwards.