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Supplemental Financial Information - Other Long-term Liabilities (Detail) - USD ($) $ in Millions	Apr. 24, 2020	Apr. 26, 2019
Liabilities Other Than Long Term Debt Noncurrent [Abstract]
Liability for uncertain tax positions	$ 136	$ 252
Income taxes payable	399	447
Product warranty liabilities	15	15
Operating lease liabilities	93	0
Other liabilities	71	83
Other long-term liabilities	$ 714	$ 797

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- Definition

Other liabilities miscellaneous noncurrent.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(b)(1))
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-Section S99
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Amount recognized for uncertainty in income taxes classified as noncurrent.

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-SubTopic 10
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

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