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DEBT (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of long-term debt
(In Millions)
At December 31
 20202019
Notes and debentures:  
3.500%, due April 1, 2021
$— $399 
5.950%, due March 15, 2022
326 326 
4.450%, due April 1, 2025
500 500 
4.375%, due April 1, 2026
498 498 
3.500%, due November 15, 2027
300 300 
7.750%, due August 1, 2029
235 235 
2.000%, due October 1, 2030
300 — 
6.500%, due August 15, 2032
200 200 
4.500%, due May 15, 2047
418 299 
Other33 30 
Prepaid debt issuance costs(15)(14)
2,795 2,773 
Less: Current portion
Total long-term debt$2,792 $2,771