Condensed Consolidating Financial Statements (Condensed Consolidating Statement Of Income and Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Condensed Financial Statements, Captions [Line Items]
Sales	$ 9,979us-gaap_SalesRevenueNet	$ 9,032us-gaap_SalesRevenueNet	$ 20,796us-gaap_SalesRevenueNet	$ 17,793us-gaap_SalesRevenueNet
Cost of Sales	8,990us-gaap_CostOfGoodsSold	8,381us-gaap_CostOfGoodsSold	18,851us-gaap_CostOfGoodsSold	16,457us-gaap_CostOfGoodsSold
Gross Profit	989us-gaap_GrossProfit	651us-gaap_GrossProfit	1,945us-gaap_GrossProfit	1,336us-gaap_GrossProfit
Selling, General and Administrative	442	290	889	563
Operating Income	547us-gaap_OperatingIncomeLoss	361us-gaap_OperatingIncomeLoss	1,056us-gaap_OperatingIncomeLoss	773us-gaap_OperatingIncomeLoss
Other (Income) Expense:
Interest expense, net	70	22	145	48
Other, net	(6)us-gaap_OtherNonoperatingIncomeExpense	(2)us-gaap_OtherNonoperatingIncomeExpense	(7)us-gaap_OtherNonoperatingIncomeExpense	1us-gaap_OtherNonoperatingIncomeExpense
Equity in net earnings of subsidiaries	0tsn_EquityInNetEarningsOfSubsidiaries	0tsn_EquityInNetEarningsOfSubsidiaries	0tsn_EquityInNetEarningsOfSubsidiaries	0tsn_EquityInNetEarningsOfSubsidiaries
Total Other (Income) Expense	64us-gaap_NonoperatingIncomeExpense	20us-gaap_NonoperatingIncomeExpense	138us-gaap_NonoperatingIncomeExpense	49us-gaap_NonoperatingIncomeExpense
Income (Loss) before Income Taxes	483	341	918	724
Income Tax (Benefit) Expense	172us-gaap_IncomeTaxExpenseBenefit	131us-gaap_IncomeTaxExpenseBenefit	297us-gaap_IncomeTaxExpenseBenefit	262us-gaap_IncomeTaxExpenseBenefit
Net Income	311us-gaap_ProfitLoss	210us-gaap_ProfitLoss	621us-gaap_ProfitLoss	462us-gaap_ProfitLoss
Less: Net income (loss) attributable to noncontrolling interest	1	(3)	2	(5)
Net Income Attributable to Tyson	310us-gaap_NetIncomeLoss	213us-gaap_NetIncomeLoss	619us-gaap_NetIncomeLoss	467us-gaap_NetIncomeLoss
Comprehensive Income	287	223	620	467
Less: Comprehensive Income (Loss) Attributable to Noncontrolling Interests	1	(3)	2	(5)
Comprehensive Income Attributable to Tyson	286us-gaap_ComprehensiveIncomeNetOfTax	226us-gaap_ComprehensiveIncomeNetOfTax	618us-gaap_ComprehensiveIncomeNetOfTax	472us-gaap_ComprehensiveIncomeNetOfTax
TFI Parent [Member]
Condensed Financial Statements, Captions [Line Items]
Sales	221	148	449	315
Cost of Sales	17	4	36	21
Gross Profit	204	144	413	294
Selling, General and Administrative	32	28	66	51
Operating Income	172	116	347	243
Other (Income) Expense:
Interest expense, net	64	(15)	133	(10)
Other, net	(1)	1	(2)	7
Equity in net earnings of subsidiaries	(247)	(128)	(484)	(303)
Total Other (Income) Expense	(184)	(142)	(353)	(306)
Income (Loss) before Income Taxes	356	258	700	549
Income Tax (Benefit) Expense	46	45	81	82
Net Income	310	213	619	467
Less: Net income (loss) attributable to noncontrolling interest	0	0	0	0
Net Income Attributable to Tyson	310	213	619	467
Comprehensive Income	288	224	620	467
Less: Comprehensive Income (Loss) Attributable to Noncontrolling Interests	0	0	0	0
Comprehensive Income Attributable to Tyson	288	224	620	467
TFM Parent, Guarantors [Member]
Condensed Financial Statements, Captions [Line Items]
Sales	5,252	5,168	11,061	10,216
Cost of Sales	5,122	4,953	10,784	9,779
Gross Profit	130	215	277	437
Selling, General and Administrative	59	57	120	112
Operating Income	71	158	157	325
Other (Income) Expense:
Interest expense, net	1	34	1	49
Other, net	(2)	0	(2)	(1)
Equity in net earnings of subsidiaries	(50)	(6)	(88)	(12)
Total Other (Income) Expense	(51)	28	(89)	36
Income (Loss) before Income Taxes	122	130	246	289
Income Tax (Benefit) Expense	24	44	54	96
Net Income	98	86	192	193
Less: Net income (loss) attributable to noncontrolling interest	0	0	0	0
Net Income Attributable to Tyson	98	86	192	193
Comprehensive Income	72	91	176	192
Less: Comprehensive Income (Loss) Attributable to Noncontrolling Interests	0	0	0	0
Comprehensive Income Attributable to Tyson	72	91	176	192
Non-Guarantors [Member]
Condensed Financial Statements, Captions [Line Items]
Sales	4,977	4,159	10,302	8,146
Cost of Sales	4,321	3,867	9,043	7,541
Gross Profit	656	292	1,259	605
Selling, General and Administrative	352	205	707	400
Operating Income	304	87	552	205
Other (Income) Expense:
Interest expense, net	5	3	11	9
Other, net	(3)	(3)	(3)	(5)
Equity in net earnings of subsidiaries	0	0	0	0
Total Other (Income) Expense	2	0	8	4
Income (Loss) before Income Taxes	302	87	544	201
Income Tax (Benefit) Expense	102	42	162	84
Net Income	200	45	382	117
Less: Net income (loss) attributable to noncontrolling interest	1	(3)	2	(5)
Net Income Attributable to Tyson	199	48	380	122
Comprehensive Income	176	51	362	114
Less: Comprehensive Income (Loss) Attributable to Noncontrolling Interests	1	(3)	2	(5)
Comprehensive Income Attributable to Tyson	175	54	360	119
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Sales	(471)	(443)	(1,016)	(884)
Cost of Sales	(470)	(443)	(1,012)	(884)
Gross Profit	(1)	0	(4)	0
Selling, General and Administrative	(1)	0	(4)	0
Operating Income	0	0	0	0
Other (Income) Expense:
Interest expense, net	0	0	0	0
Other, net	0	0	0	0
Equity in net earnings of subsidiaries	297	134	572	315
Total Other (Income) Expense	297	134	572	315
Income (Loss) before Income Taxes	(297)	(134)	(572)	(315)
Income Tax (Benefit) Expense	0	0	0	0
Net Income	(297)	(134)	(572)	(315)
Less: Net income (loss) attributable to noncontrolling interest	0	0	0	0
Net Income Attributable to Tyson	(297)	(134)	(572)	(315)
Comprehensive Income	(249)	(143)	(538)	(306)
Less: Comprehensive Income (Loss) Attributable to Noncontrolling Interests	0	0	0	0
Comprehensive Income Attributable to Tyson	$ (249)	$ (143)	$ (538)	$ (306)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Total costs related to goods produced and sold during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The net amount of nonoperating interest income (expense).

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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The net result for the period of deducting operating expenses from operating revenues.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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