XML 59 R36.htm IDEA: XBRL DOCUMENT

Restructuring and Other Charges - Activity and Reserve Balances for Restructuring Charges (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Other layoff cost including reclassification in pension cost	$ 19us-gaap_OtherRestructuringCosts		$ 246us-gaap_OtherRestructuringCosts
Restructuring and other charges	177us-gaap_RestructuringCharges	461us-gaap_RestructuringCharges
Pension Costs [Member]
Restructuring Cost and Reserve [Line Items]
Other layoff cost including reclassification in pension cost	3		26
Asset Retirement Obligations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	95
Environmental Remediation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 47

- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

+ References+ Details

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details