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Postretirement Health Care Plan (Tables)
 9 Months Ended
Jan. 27, 2017
Compensation And Retirement Disclosure [Abstract]  
Summary of Impacts of Prior Service Credit Adjustment to Condensed Consolidated Financial Statements Resulting from Plan Amendments

These plan amendments resulted in a prior service credit adjustment, with the following impacts to our condensed consolidated financial statements in the three and nine months ended January 27, 2017 (in millions):

 

Decrease in other long-term liabilities

 

$

23

 

Decrease in deferred tax assets

 

$

9

 

Other comprehensive income, net of taxes

 

$

14