Income Taxes	3 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	INCOME TAXES As of December 31, 2018, all relevant provisions of the Tax Cuts and Jobs Act (the “Act”), enacted on December 22, 2017, became applicable to us. Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act, provided a measurement period of one year from the date of enactment for which provisional amounts could be recorded. As of one year from enactment, we completed our analysis with regard to the Act and therefore do not have any remaining provisional amounts recorded in the Consolidated Balance Sheet. As guidance regarding the Act continues to be forthcoming, the application of such guidance may result in additional charges to our income tax provision. We have also elected to account for the effects of global intangible low tax income as a component of income tax expense in the period the tax arises. Our effective income tax rate was 24.9% in the quarter ended December 31, 2018. A net discrete tax benefit on the restructuring and related costs, programming charges, loss on marketable securities and gain on extinguishment of debt, increased the effective income tax rate by 0.4 percentage points in the quarter. Our effective income tax rate was 7.1% in the quarter ended December 31, 2017, which included a net discrete tax benefit of $103 million, consisting of $101 million related to the U.S. enactment of the Act and $2 million of other net discrete tax items. When taken together with the discrete tax impact of the gain on debt extinguishment, the effective income tax rate was reduced by 17.4 percentage points.

INCOME TAXES

As of December 31, 2018, all relevant provisions of the Tax Cuts and Jobs Act (the “Act”), enacted on December 22, 2017, became applicable to us. Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act, provided a measurement period of one year from the date of enactment for which provisional amounts could be recorded. As of one year from enactment, we completed our analysis with regard to the Act and therefore do not have any remaining provisional amounts recorded in the Consolidated Balance Sheet. As guidance regarding the Act continues to be forthcoming, the application of such guidance may result in additional charges to our income tax provision. We have also elected to account for the effects of global intangible low tax income as a component of income tax expense in the period the tax arises.

Our effective income tax rate was 24.9% in the quarter ended December 31, 2018. A net discrete tax benefit on the restructuring and related costs, programming charges, loss on marketable securities and gain on extinguishment of debt, increased the effective income tax rate by 0.4 percentage points in the quarter.

Our effective income tax rate was 7.1% in the quarter ended December 31, 2017, which included a net discrete tax benefit of $103 million, consisting of $101 million related to the U.S. enactment of the Act and $2 million of other net discrete tax items. When taken together with the discrete tax impact of the gain on debt extinguishment, the effective income tax rate was reduced by 17.4 percentage points.