Other Comprehensive Income Other Comprehensive Income (Schedule of Reclassications Out of Accumualted Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense)/benefit	$ 523		$ (331)		$ (311)
Earnings (loss) from continuing operations	1,333		754		1,287
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) from continuing operations	(317)	[1]	(182)	[1]	(147)	[1]
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior service cost	(9)	[1],[2]	(2)	[1],[2]	(6)	[1],[2]
Actuarial gains losses	(493)	[1],[2]	(317)	[1],[2]	(221)	[1],[2]
Total pre-tax amount	(502)	[1]	(319)	[1]	(227)	[1]
Tax (expense)/benefit	195	[1]	124	[1]	88	[1]
Earnings (loss) from continuing operations	(307)	[1]	(195)	[1]	(139)	[1]
Business Acquisitions/Divestitures [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Business acquisitions / divestitures	(17)	[1]	48	[1]	0	[1]
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense)/benefit	0	[1]	(13)	[1]	0	[1]
Accumulated Translation Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Earnings (loss) from continuing operations	(17)	[1]	35	[1]	0	[1]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total pre-tax amount	10	[1]	(35)	[1]	(16)	[1]
Tax (expense)/benefit	(3)	[1]	13	[1]	8	[1]
Earnings (loss) from continuing operations	7	[1]	(22)	[1]	(8)	[1]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Foreign Exchange Forward [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold	10	[1],[3]	(24)	[1],[3]	10	[1],[3]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Commodity Contract [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold	0	[1],[3]	0	[1],[3]	6	[1],[3]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Natural Gas Swap Contracts [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of products sold	$ 0	[1],[3]	$ (11)	[1],[3]	$ (32)	[1],[3]

[1] Amounts in parentheses indicate debits to earnings/loss.

[2] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 16 for additional details).

[3] This accumulated other comprehensive income component is included in our derivatives and hedging activities (see Note 14 for additional details).