DEBT (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of long-term debt

	(In Millions) At December 31
	2017			2016
Notes and debentures:
6.625%, due April 15, 2018	$	114		$	114
7.125%, due March 15, 2020	201			500
3.500%, due April 1, 2021	399			399
5.950%, due March 15, 2022	326			400
4.450%, due April 1, 2025	500			500
4.375%, due April 1, 2026	498			498
3.500%, due November 15, 2027	300			—
7.750%, due August 1, 2029	234			296
6.500%, due August 15, 2032	200			300
4.500%, due May 15, 2047	299			—
Other	33			9
Prepaid debt issuance costs	(19		)	(19		)
	3,085			2,997
Less: Current portion	116			2
Total long-term debt	$	2,969		$	2,995