Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Cash flows from operating activities
Net income	$ 128us-gaap_NetIncomeLoss	$ 85us-gaap_NetIncomeLoss
Less: Loss from discontinued operations		(2)
Income from continuing operations	128	87
Non-cash items:
Depreciation and amortization	110	98
Deferred income taxes	(7)	(8)
Other, net	32us-gaap_OtherNoncashIncomeExpense	31us-gaap_OtherNoncashIncomeExpense
Changes in assets and liabilities:
Accounts receivable, net	(115)us-gaap_IncreaseDecreaseInReceivables	(49)us-gaap_IncreaseDecreaseInReceivables
Inventories	(327)us-gaap_IncreaseDecreaseInInventories	(180)us-gaap_IncreaseDecreaseInInventories
Other assets	(45)	(11)
Accounts payable	127	(99)
Accrued and other liabilities	(63)	25
Income taxes, net	95txt_NetIncreaseDecreaseInIncomeTaxes	31txt_NetIncreaseDecreaseInIncomeTaxes
Pension, net	17txt_NetIncreaseDecreaseInPension	13txt_NetIncreaseDecreaseInPension
Captive finance receivables, net	31txt_CaptiveFinanceReceivablesNet	34txt_CaptiveFinanceReceivablesNet
Other operating activities, net	(2)	2
Net cash provided by (used in) operating activities of continuing operations	(19)	(26)
Net cash used in operating activities of discontinued operations	(2)	(1)
Net cash provided by (used in) operating activities	(21)	(27)
Cash flows from investing activities
Capital expenditures	(79)	(66)
Net cash used in acquisitions	(32)	(1,489)
Finance receivables repaid	31txt_FinanceReceivablesRepaid	33txt_FinanceReceivablesRepaid
Other investing activities, net	23	2
Net cash provided by (used in) investing activities	(57)	(1,520)
Cash flows from financing activities
Principal payments on long-term debt and nonrecourse debt	(70)	(62)
Increase in short-term debt	25us-gaap_ProceedsFromShortTermDebt	184us-gaap_ProceedsFromShortTermDebt
Proceeds from long-term debt	9	1,131
Purchases of Textron common stock		(150)
Dividends paid	(6)us-gaap_PaymentsOfDividends	(6)us-gaap_PaymentsOfDividends
Other financing activities, net	11	19
Net cash provided by (used in) financing activities	(31)	1,116
Effect of exchange rate changes on cash and equivalents	(5)
Net increase (decrease) in cash and equivalents	(114)	(431)
Cash and equivalents at beginning of period	822	1,211
Cash and equivalents at end of period	708	780
Manufacturing group
Cash flows from operating activities
Net income	124	82
Less: Loss from discontinued operations		(2)
Income from continuing operations	124	84
Non-cash items:
Depreciation and amortization	108	95
Deferred income taxes	(3)	(4)
Other, net	28	27
Changes in assets and liabilities:
Accounts receivable, net	(115)	(49)
Inventories	(327)	(180)
Other assets	(51)	(11)
Accounts payable	127	(99)
Accrued and other liabilities	(54)	34
Income taxes, net	81	26
Pension, net	17	13
Other operating activities, net	(2)
Net cash provided by (used in) operating activities of continuing operations	(67)	(64)
Net cash used in operating activities of discontinued operations	(2)	(1)
Net cash provided by (used in) operating activities	(69)	(65)
Cash flows from investing activities
Capital expenditures	(79)	(66)
Net cash used in acquisitions	(32)	(1,489)
Other investing activities, net	(6)	(1)
Net cash provided by (used in) investing activities	(117)	(1,556)
Cash flows from financing activities
Increase in short-term debt	25	184
Proceeds from long-term debt		1,093
Purchases of Textron common stock		(150)
Dividends paid	(6)	(6)
Other financing activities, net	2	19
Net cash provided by (used in) financing activities	21	1,140
Effect of exchange rate changes on cash and equivalents	(5)
Net increase (decrease) in cash and equivalents	(170)	(481)
Cash and equivalents at beginning of period	731	1,163
Cash and equivalents at end of period	561	682
Finance group
Cash flows from operating activities
Net income	4	3
Income from continuing operations	4	3
Non-cash items:
Depreciation and amortization	2	3
Deferred income taxes	(4)	(4)
Other, net	4	4
Changes in assets and liabilities:
Other assets	6
Accrued and other liabilities	(9)	(9)
Income taxes, net	14	5
Other operating activities, net		2
Net cash provided by (used in) operating activities of continuing operations	17	4
Net cash provided by (used in) operating activities	17	4
Cash flows from investing activities
Finance receivables repaid	112	108
Finance receivables originated	(50)	(41)
Other investing activities, net	29	3
Net cash provided by (used in) investing activities	91	70
Cash flows from financing activities
Principal payments on long-term debt and nonrecourse debt	(70)	(62)
Proceeds from long-term debt	9	38
Other financing activities, net	9
Net cash provided by (used in) financing activities	(52)	(24)
Net increase (decrease) in cash and equivalents	56	50
Cash and equivalents at beginning of period	91	48
Cash and equivalents at end of period	$ 147	$ 98

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

+ Details

Name:	us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

+ References

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: