Cash Flows (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012
Cash payments for interest and income taxes [Abstract]
Interest	$ 140us-gaap_InterestPaid	$ 186us-gaap_InterestPaid	$ 177us-gaap_InterestPaid
Taxes on income, net of refunds	122us-gaap_IncomeTaxesPaidNet	214us-gaap_IncomeTaxesPaidNet	139us-gaap_IncomeTaxesPaidNet
Noncash Investing Activities [Abstract]
Capital expenditures in accounts payable and accrued expenses	45	32	47
Capital expenditures through capital lease obligations	149us-gaap_CapitalLeaseObligationsIncurred	181us-gaap_CapitalLeaseObligationsIncurred	270us-gaap_CapitalLeaseObligationsIncurred
Assets acquired under long-term financing	49	26	32
Common share dividends declared but not yet paid	29	30	31
Common Class A [Member] \| December 2010 Share Repurchase Program [Member] \| Accrued Liabilities [Member]
Noncash Investing Activities [Abstract]
Stock Repurchased During Period, Value	$ 6	$ 22	$ 0

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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The increase during the period in capital lease obligations due to entering into new capital leases.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash paid for interest during the period.

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The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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