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Postretirement Benefit Plans (Details Textual) (USD $) In Millions, unless otherwise specified | 2 Months Ended | 12 Months Ended | 2 Months Ended | 12 Months Ended |  | 2 Months Ended | 12 Months Ended | 2 Months Ended | 12 Months Ended | 2 Months Ended | 12 Months Ended |
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2011 Participants | Dec. 31, 2011 Maximum [Member] | Dec. 31, 2011 Minimum [Member] | Dec. 31, 2010 Pension [Member] | Dec. 31, 2011 Pension [Member] | Dec. 31, 2011 ITT Pension Plan for Bargaining Unit Employees Seneca Falls [Member] | Dec. 31, 2011 ITT Consolidated Hourly Pension Plan [Member] | Dec. 31, 2011 Other Non Qualified US Plan [Member] | Dec. 31, 2010 U.S. Pension Plans [Member] | Dec. 31, 2011 U.S. Pension Plans [Member] | Dec. 31, 2010 International Pension Plan [Member] | Dec. 31, 2011 International Pension Plan [Member] | Dec. 31, 2011 Postretirement Benefit Plans [Member] | Dec. 31, 2010 Postretirement Benefit Plans [Member] | Dec. 31, 2011 Postretirement Benefit Plans [Member] Maximum [Member] | Dec. 31, 2011 Postretirement Benefit Plans [Member] Minimum [Member] | Dec. 31, 2010 Defined Contribution Plans [Member] | Dec. 31, 2011 Defined Contribution Plans [Member] | Dec. 31, 2009 Defined Contribution Plans [Member] | Dec. 31, 2011 Exelis [Member] | Dec. 31, 2011 Xylem [Member]
Employee Benefit Plans (Additional) (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company recorded curtailment expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |
Company contribution percentage of base pay prior to enhancement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.50% |  |  |  |  |  |  |  |
Company contribution percentage of base pay post enhancement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% | 6.00% |  |  |  |  |
Period of distribution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Percentage of transition credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |
Contributions made to pension plans |  |  |  |  |  |  | 5 | 21 |  |  |  | 2 | 18 | 3 | 3 | 21 | 5 |  |  | 7 | 8 | 5 |  |
Stock fund held approximately | 0.5 |  |  | 0.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares held in Retirement Savings Plan for salaried employees and Hourly Savings Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.4 | 1.1
Projected Benefit Obligation |  |  |  |  |  |  |  |  | 28.00% | 26.00% | 30.00% |  |  |  | 16.00% |  |  |  |  |  |  |  |  |
Percentage of projected benefit obligation provides health care and life insurance benefits to new participants | 70.00% |  |  | 70.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Active participants in numerous defined benefit pension plans |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term annual rate of return for domestic pension plans |  |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |  |
Contribution to range related to pension |  |  |  |  | 25 | 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Funded status of postretirement benefit plans | (330) | (279) |  | (330) |  |  | (112) | (146) |  |  |  | (61) | (96) | (51) | (50) |  |  |  |  |  |  |  |  |
Maturities period corporate bonds |  |  |  |  | 30 years | 0 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Postretirement Benefit Plan (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated benefit obligation | 328 | 297 |  | 328 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assumed rate of future increase in per capita cost of health care for 2012 |  |  |  | 7.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assumed rate of future decrease in per capita cost of health care for 2019 |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percent increase on benefit obligation |  |  |  | 23 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percent increase on annual service and interest cost components |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percent decrease on benefit obligation |  |  |  | 19 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of one percent decrease on annual service and interest cost components |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign government plan assets | 2 |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Part of net contribution expected to be made in first quarter |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employees Related expenses in SRP | $ 15 | $ 9 | $ 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph m -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph m -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph m -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph m -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph g -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 6 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=6930749&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2417-114920 + Details
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