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Supplemental Cash Flow Information
9 Months Ended
Feb. 28, 2018
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information

(10) Supplemental Cash Flow Information

Cash paid for interest expense and income taxes for the nine-month periods ended February 28 was as follows (in millions):

 

 

 

2018

 

 

2017

 

Cash payments for:

 

 

 

 

 

 

 

 

Interest (net of capitalized interest)

 

$

430

 

 

$

400

 

Income taxes

 

$

707

 

 

$

294

 

Income tax refunds received

 

 

(59

)

 

 

(16

)

Cash tax payments, net

 

$

648

 

 

$

278