Commitments and Contingent Liabilities (Guarantees) (Details) (USD $) In Millions, unless otherwise specified			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Customer and Supplier Guarantee [Member]	Sep. 30, 2014 Customer and Supplier Guarantee, Bank Borrowings [Member] Y		Sep. 30, 2014 Customer and Supplier Guarantee, Leases on Equipment and Facilities [Member] Y		Sep. 30, 2014 Equity Affiliates, Bank Borrowings [Member] Y		Sep. 30, 2014 Guarantee Obligations, Long Term [Member]	Sep. 30, 2014 Guarantee Obligations, Long Term [Member] Customer and Supplier Guarantee, Bank Borrowings [Member]		Sep. 30, 2014 Guarantee Obligations, Long Term [Member] Customer and Supplier Guarantee, Leases on Equipment and Facilities [Member]		Sep. 30, 2014 Guarantee Obligations, Long Term [Member] Equity Affiliates, Bank Borrowings [Member]		Sep. 30, 2014 Guaranteed Obligations Short Term [Member]	Sep. 30, 2014 Guaranteed Obligations Short Term [Member] Customer and Supplier Guarantee, Bank Borrowings [Member]		Sep. 30, 2014 Guaranteed Obligations Short Term [Member] Customer and Supplier Guarantee, Leases on Equipment and Facilities [Member]		Sep. 30, 2014 Guaranteed Obligations Short Term [Member] Equity Affiliates, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 488	$ 561	$ 302	$ 300	[1]	$ 2	[1]	$ 186	[2]	$ 92	$ 90	[1]	$ 2	[1]	$ 0	[2]	$ 396	$ 210	[1]	$ 0	[1]	$ 186	[2]
Collateral assets and personal guarantees percentage			37.00%
Guaranteed obligations, maximum term				8		4		1

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

[2] Existing guarantees for equity affiliates' liquidity needs in normal operations.