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Income Taxes | 3 Months Ended
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Jun. 30, 2015
Income Tax Disclosure [Abstract] |
Income taxes | Income Taxes During the first quarters of 2016 and 2015, income tax expense related to continuing operations was $256 million and $185 million and included net discrete tax benefits of $5 million and $12 million. As of June 30, 2015, we had $497 million of unrecognized tax benefits, of which $337 million would reduce income tax expense and the effective tax rate, if recognized. During the next twelve months, it is reasonably possible that audit resolutions and the expiration of statutes of limitations could potentially reduce our unrecognized tax benefits by up to $131 million. However, this amount may change as we continue to have ongoing negotiations with various taxing authorities throughout the year. We received reassessments from the Canada Revenue Agency (“CRA”) related to a transfer pricing matter impacting years 2003 through 2010, and filed Notices of Appeal to the Tax Court of Canada for all of these years. On December 13, 2013, the Tax Court of Canada dismissed our appeal of the 2003 reassessment and we filed a Notice of Appeal to the Federal Court of Appeal. During the first quarter of 2016, we reached an agreement to settle the transfer pricing matter for years 2003 through 2010 and recorded a discrete income tax benefit of $12 million for a previously unrecognized tax benefit. During the first quarter of 2015, we reached an agreement with the Internal Revenue Service (“IRS”) to settle all outstanding issues relating to years 2003 through 2006 and recognized a discrete tax benefit of $17 million to record a previously unrecognized tax benefit. The IRS is currently examining our U.S. corporation income tax returns for 2007 through 2009 and may issue a Revenue Agent Report during the second quarter of 2016. The CRA is currently examining our Canadian income tax returns for years 2011 through 2013. In nearly all jurisdictions, the tax years prior to 2003 are no longer subject to examination. We report interest and penalties on tax deficiencies as income tax expense. During the first quarters of 2016 and 2015, we recognized income tax expense of $6 million and $4 million, before any tax benefit, related to interest and penalties in our condensed consolidated statements of operations. At June 30, 2015 and 2014, before any tax benefits, our accrued interest and penalties on unrecognized tax benefits amounted to $75 million and $161 million.

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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 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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