Income Taxes Loss Carryforwards (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating Loss Carryforwards [Line Items]
Undistributed Earnings of Foreign Subsidiaries	$ 15,000
Federal [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	282
State [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	1,730
Non- U.S. [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	4,820
Portion of Non- U.S. with expiration dates [Member]
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	$ 1,980