Discontinued Operations (Details1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Assets and liabilities from discontinued segments
Cash and cash equivalents		$ 826
Receivables, net		1,648
Inventories, net		628
Other current assets		335
Total current assets	0	3,457
Plant, Property and Equipment, net		927
Goodwill		3,773
Other intangible assets		674
Other non-current assets		491
Total assets		9,322
Accounts payable		647
Accrued liabilities and other current liabilities		1,245
Total current liabilities	0	1,892
Postretirement benefits		1,480
Other non-current liabilities		437
Total liabilities		3,809
Exelis [Member]
Assets and liabilities from discontinued segments
Cash and cash equivalents		18
Receivables, net		958
Inventories, net		239
Other current assets		188
Total current assets		1,403
Plant, Property and Equipment, net		462
Goodwill		2,156
Other intangible assets		258
Other non-current assets		243
Total assets		4,522
Accounts payable		326
Accrued liabilities and other current liabilities		884
Total current liabilities		1,210
Postretirement benefits		1,223
Other non-current liabilities		113
Total liabilities		2,546
Xylem [Member]
Assets and liabilities from discontinued segments
Cash and cash equivalents		808
Receivables, net		690
Inventories, net		389
Other current assets		167
Total current assets		2,054
Plant, Property and Equipment, net		465
Goodwill		1,617
Other intangible assets		416
Other non-current assets		248
Total assets		4,800
Accounts payable		321
Accrued liabilities and other current liabilities		361
Total current liabilities		682
Postretirement benefits		257
Other non-current liabilities		324
Total liabilities		$ 1,263