Other Expense, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Loss on early extinguishment of debt	$ 184	$ 3	$ 4
Gain (Loss) on Sale of Investments	44	$ (15)	17
Fees Associated with Short-term Financing Commitments			$ 32
Corporate Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Gain (Loss) on Sale of Investments	28
Proceeds from Sale of Equity Method Investments	$ 42