Commitments and Contingent Liabilities Guarantees (Details) $ in Millions	Mar. 31, 2018 USD ($)
Successor [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 284
Customer and Supplier Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guaranteed Obligations, Maximum Term, Years	4 years
Customer and Supplier Guarantee, Bank Borrowings [Member] | Successor [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 80	[1]
Equity Affiliates Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guaranteed Obligations, Maximum Term, Months	9 months
Equity Affiliates Guarantee, Bank Borrowings [Member] | Successor [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 168	[2]
Residual Value Guarantee [Member]
Guarantor Obligations [Line Items]
Guaranteed Obligations, Maximum Term, Years	11 years
Residual Value Guarantee [Member] | Successor [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 36	[3]

[1] Existing guarantees for customers and suppliers, as part of contractual agreements.

[2] Existing guarantees for non-consolidated affiliates' liquidity needs in normal operations.

[3] The company provides guarantees related to leased assets specifying the residual value that will be available to the lessor at lease termination through sale of the assets to the lessee or third parties.