Income Taxes	3 Months Ended
Mar. 31, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate for the three months ended March 31, 2013 and 2012 was 27.1% and 9.6%, respectively. The effective tax rate for the three months ended March 31, 2013 includes tax benefits of $4 million from the retroactive effect of 2013 U.S. tax legislation. The effective tax rate for the three months ended March 31, 2012 includes tax benefits of $17 million from the sale of non-U.S. leveraged lease assets and $22 million from the resolution of tax examinations. As is the case with other large corporations, our tax returns are examined each year by tax authorities in the U.S., other countries and local jurisdictions in which we have operations. We regularly assess the likelihood of tax adjustments in each of the tax jurisdictions in which we do business and account for the related financial statement implications. We believe we have established tax reserves that are appropriate given the possibility of tax adjustments. However, determining the appropriate level of tax reserves requires judgment regarding the uncertain application of tax law and the possibility of tax adjustments. Future changes in tax reserve requirements could have a material impact, positive or negative, on our results of operations, financial position and cash flows. On August 27, 2012, the Third Circuit Court of Appeals overturned a prior Tax Court decision and ruled in favor of the IRS and adverse to the Historic Boardwalk Hall LLC, a partnership in which we had made an investment in the year 2000. The decision has been appealed and, therefore, the judgment is not yet final. Based on our partnership contractual relationship, we do not expect this matter to have a material effect on our results of operations.

Income Taxes

3 Months Ended

Mar. 31, 2013

The effective tax rate for the three months ended March 31, 2013 and 2012 was 27.1% and 9.6%, respectively. The effective tax rate for the three months ended March 31, 2013 includes tax benefits of $4 million from the retroactive effect of 2013 U.S. tax legislation. The effective tax rate for the three months ended March 31, 2012 includes tax benefits of $17 million from the sale of non-U.S. leveraged lease assets and $22 million from the resolution of tax examinations.

As is the case with other large corporations, our tax returns are examined each year by tax authorities in the U.S., other countries and local jurisdictions in which we have operations. We regularly assess the likelihood of tax adjustments in each of the tax jurisdictions in which we do business and account for the related financial statement implications. We believe we have established tax reserves that are appropriate given the possibility of tax adjustments. However, determining the appropriate level of tax reserves requires judgment regarding the uncertain application of tax law and the possibility of tax adjustments. Future changes in tax reserve requirements could have a material impact, positive or negative, on our results of operations, financial position and cash flows.

On August 27, 2012, the Third Circuit Court of Appeals overturned a prior Tax Court decision and ruled in favor of the IRS and adverse to the Historic Boardwalk Hall LLC, a partnership in which we had made an investment in the year 2000. The decision has been appealed and, therefore, the judgment is not yet final. Based on our partnership contractual relationship, we do not expect this matter to have a material effect on our results of operations.