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Supplemental Cash Flow Information (Tables)
 12 Months Ended
May 31, 2020
Supplemental Cash Flow Tables [Abstract]  
Supplemental Cash Flow

Cash paid for interest expense and income taxes for the years ended May 31 was as follows (in millions):

 

 

 

2020

 

 

2019

 

 

2018

 

Cash payments for:

 

 

 

 

 

 

 

 

 

 

 

 

Interest (net of capitalized interest)

 

$

639

 

 

$

617

 

 

$

524

 

Income taxes

 

$

389

 

 

$

407

 

 

$

760

 

Income tax refunds received

 

 

(353

)

 

 

(36

)

 

 

(571

)

Cash tax payments, net

 

$

36

 

 

$

371

 

 

$

189