Income Taxes	9 Months Ended
Sep. 30, 2017
Income Taxes	Note 13. Income Taxes Based on current tax laws, our estimated annual effective tax rate for 2017, excluding the impacts from the sale of our Australian grocery business, is 25.8%, which reflects favorable impacts from the mix of pre-tax income in various non-U.S. tax jurisdictions, partially offset by an increase in domestic earnings as compared to the prior year. Our 2017 third quarter effective tax rate of 23.4% was favorably impacted by the divestiture of our Australian grocery business, which had a lower effective tax rate, resulting in a $27 million tax expense related to the pre-tax gain of $187 million. Our effective tax rate for the nine months ended September 30, 2017 of 21.3% was also favorably impacted by the sale of our Australian grocery business as well as other discrete one-time benefits. The discrete net tax benefits primarily consisted of a $74 million benefit from the release of uncertain tax positions due to expirations of statutes of limitations and audit settlements in various jurisdictions and a $16 million benefit related to the U.S. domestic production activities deduction. As of the third quarter of 2016, our estimated annual effective tax rate for 2016 was 20.8%, reflecting favorable impacts from the mix of pre-tax income in various non-U.S. tax jurisdictions. Our 2016 third quarter effective tax rate of 7.2% included net benefit from discrete one-time events of $60 million, mainly due to $35 million from expirations of statutes of limitations and favorable audit settlements in several jurisdictions and a $17 million benefit from the reduction of U.K. net deferred tax liabilities resulting from tax legislation enacted during the third quarter of 2016 that reduced the U.K. corporate income tax rate. Our effective tax rate for the nine months ended September 30, 2016 of 13.6% was favorably impacted by net tax benefits of $109 million from discrete one-time events. The discrete net tax benefits primarily consisted of benefits of $73 million due to expirations of statutes of limitations and favorable audit settlements in several jurisdictions and a $17 million benefit from the reduction of U.K. net deferred tax liabilities resulting from tax legislation enacted during the third quarter of 2016 that reduced the U.K. corporate income tax rate.

Note 13. Income Taxes

Based on current tax laws, our estimated annual effective tax rate for 2017, excluding the impacts from the sale of our Australian grocery business, is 25.8%, which reflects favorable impacts from the mix of pre-tax income in various non-U.S. tax jurisdictions, partially offset by an increase in domestic earnings as compared to the prior year. Our 2017 third quarter effective tax rate of 23.4% was favorably impacted by the divestiture of our Australian grocery business, which had a lower effective tax rate, resulting in a $27 million tax expense related to the pre-tax gain of $187 million. Our effective tax rate for the nine months ended September 30, 2017 of 21.3% was also favorably impacted by the sale of our Australian grocery business as well as other discrete one-time benefits. The discrete net tax benefits primarily consisted of a $74 million benefit from the release of uncertain tax positions due to expirations of statutes of limitations and audit settlements in various jurisdictions and a $16 million benefit related to the U.S. domestic production activities deduction.

As of the third quarter of 2016, our estimated annual effective tax rate for 2016 was 20.8%, reflecting favorable impacts from the mix of pre-tax income in various non-U.S. tax jurisdictions. Our 2016 third quarter effective tax rate of 7.2% included net benefit from discrete one-time events of $60 million, mainly due to $35 million from expirations of statutes of limitations and favorable audit settlements in several jurisdictions and a $17 million benefit from the reduction of U.K. net deferred tax liabilities resulting from tax legislation enacted during the third quarter of 2016 that reduced the U.K. corporate income tax rate. Our effective tax rate for the nine months ended September 30, 2016 of 13.6% was favorably impacted by net tax benefits of $109 million from discrete one-time events. The discrete net tax benefits primarily consisted of benefits of $73 million due to expirations of statutes of limitations and favorable audit settlements in several jurisdictions and a $17 million benefit from the reduction of U.K. net deferred tax liabilities resulting from tax legislation enacted during the third quarter of 2016 that reduced the U.K. corporate income tax rate.