Stockholders' Equity (Summary of Dividends Declared and Paid) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Stockholders' Equity Note [Abstract]
Dividends declared and paid	$ 48	$ 46	$ 95	$ 92
Dividend equivalents paid	2	2	15	22
Total dividends and dividend equivalents paid	$ 50	$ 48	$ 110	$ 114

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Amount of paid and unpaid cash dividends declared and applicable to holders of share-based compensation, for example, but not limited to, non-vested shares, stock options, or restricted stock units.

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