Income Taxes Details Numeric (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2017	Nov. 30, 2018	Nov. 30, 2018
US Federal statutory tax rate effective before the Tax Cuts and Jobs Act	35.00%
US Federal statutory tax rate effective after the Tax Cuts and Jobs Act		21.00%
U.S federal statutory rate			22.20%
Provisional transition tax expense on deferred foreign earnings due to Tax Cuts and Jobs Act 2017		15.50%	15.50%
Tax Cuts and Jobs Act of 2017 one-time transition tax other income		8.00%	8.00%
Tax charge due to Tax Cuts and Jobs Act			$ 10
Transition tax expense on deferred foreign earnings due to Tax Cuts and Jobs Act			176
Transition tax expense of long term income taxes payable due to the Tax Cuts and Jobs Act			504
Transition tax expense on other tax liabilities due to Tax Cuts and Jobs Act			19
Reduction in deferred tax liabilities due to Tax Cuts and Jobs Act			347
Reclassification of long term income taxes payable to short term income taxes payable due to Tax Cuts and Jobs Act			$ 40