Fair Value Measurements (Schedule of the Carrying Value of Assets Measured at Fair Value on a Recurring Basis) (Details) - Recurring - USD ($) $ in Millions | Oct. 02, 2015 | Apr. 03, 2015 |
Fair Value | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | $ 3,357 | $ 3,891 |
Fair Value | Cash | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 1,608 | 807 |
Fair Value | Non-negotiable certificates of deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 296 |
Fair Value | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 1,498 | 2,014 |
Fair Value | Level 1 | Money market | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 1,411 | 1,725 |
Fair Value | Level 1 | U.S. government securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 75 | 284 |
Fair Value | Level 1 | Marketable equity securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 12 | 5 |
Fair Value | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 251 | 774 |
Fair Value | Level 2 | Corporate bonds | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 105 | 166 |
Fair Value | Level 2 | U.S. agency securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 21 | 68 |
Fair Value | Level 2 | Commercial paper | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 64 | 333 |
Fair Value | Level 2 | Negotiable certificates of deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 20 | 184 |
Fair Value | Level 2 | International government securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 41 | 23 |
Reported Value Measurement | Cash and Cash Equivalents | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 3,097 | 2,874 |
Reported Value Measurement | Cash and Cash Equivalents | Cash | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 1,608 | 807 |
Reported Value Measurement | Cash and Cash Equivalents | Non-negotiable certificates of deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 260 |
Reported Value Measurement | Cash and Cash Equivalents | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 1,411 | 1,725 |
Reported Value Measurement | Cash and Cash Equivalents | Level 1 | Money market | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 1,411 | 1,725 |
Reported Value Measurement | Cash and Cash Equivalents | Level 1 | U.S. government securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 0 |
Reported Value Measurement | Cash and Cash Equivalents | Level 1 | Marketable equity securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 0 |
Reported Value Measurement | Cash and Cash Equivalents | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 78 | 82 |
Reported Value Measurement | Cash and Cash Equivalents | Level 2 | Corporate bonds | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 5 | 0 |
Reported Value Measurement | Cash and Cash Equivalents | Level 2 | U.S. agency securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 0 |
Reported Value Measurement | Cash and Cash Equivalents | Level 2 | Commercial paper | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 44 | 82 |
Reported Value Measurement | Cash and Cash Equivalents | Level 2 | Negotiable certificates of deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 0 |
Reported Value Measurement | Cash and Cash Equivalents | Level 2 | International government securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 29 | 0 |
Reported Value Measurement | Short-term Investments | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 260 | 1,017 |
Reported Value Measurement | Short-term Investments | Cash | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 0 |
Reported Value Measurement | Short-term Investments | Non-negotiable certificates of deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 36 |
Reported Value Measurement | Short-term Investments | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 87 | 289 |
Reported Value Measurement | Short-term Investments | Level 1 | Money market | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 0 | 0 |
Reported Value Measurement | Short-term Investments | Level 1 | U.S. government securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 75 | 284 |
Reported Value Measurement | Short-term Investments | Level 1 | Marketable equity securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 12 | 5 |
Reported Value Measurement | Short-term Investments | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 173 | 692 |
Reported Value Measurement | Short-term Investments | Level 2 | Corporate bonds | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 100 | 166 |
Reported Value Measurement | Short-term Investments | Level 2 | U.S. agency securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 21 | 68 |
Reported Value Measurement | Short-term Investments | Level 2 | Commercial paper | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 20 | 251 |
Reported Value Measurement | Short-term Investments | Level 2 | Negotiable certificates of deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | 20 | 184 |
Reported Value Measurement | Short-term Investments | Level 2 | International government securities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, fair value disclosure | $ 12 | $ 23 |