Derivative Financial Instruments and Risk Management (Details 5) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Offsetting Assets
Gross Amount of Recognized Assets	$ 133	$ 131
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amount of Assets Presented in the Statement of Financial Position	133	131
Financial Instruments	(41)	(53)
Cash Collateral Received	0	0
Net Amount of Assets	92	78
Machinery, Energy & Transportation
Offsetting Assets
Gross Amount of Recognized Assets	27	19
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amount of Assets Presented in the Statement of Financial Position	27	19
Financial Instruments	(19)	(19)
Cash Collateral Received	0	0
Net Amount of Assets	8	0
Financial Products
Offsetting Assets
Gross Amount of Recognized Assets	106	112
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amount of Assets Presented in the Statement of Financial Position	106	112
Financial Instruments	(22)	(34)
Cash Collateral Received	0	0
Net Amount of Assets	$ 84	$ 78