Debt (Tables)

6 Months Ended

Jun. 30, 2018

Long Term Debt Outstanding

The following table sets forth our outstanding debt:

	June 30, 2018			December 31, 2017
	(In millions)
7.456% senior notes due 2018	$	500		$	500
5.95% senior notes due 2020	748			748
2.5% (€650 million) senior notes due 2022	755			775
4.5% senior notes due 2024	496			495
5.0% senior notes due 2026	742			741
3.8% senior notes due 2028	990			990
Total debt(1)	4,231			4,249
Current maturities of long-term debt	(500		)	(500		)
Long-term debt, excluding current maturities	$	3,731		$	3,749

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(1) Net of applicable discounts and debt issuance costs.

Level 2

Long Term Debt Outstanding

The following table sets forth the approximate fair value of our outstanding debt, which is based on quoted market prices in less active markets (Level 2 inputs):

	June 30, 2018		December 31, 2017
	(In millions)
7.456% senior notes due 2018	$	502	$	516
5.95% senior notes due 2020	790		810
2.5% (€650 million) senior notes due 2022 (1)	804		828
4.5% senior notes due 2024	500		528
5.0% senior notes due 2026	767		807
3.8% senior notes due 2028	920		969

(1) Approximately 688 million Euro as of June 30, 2018 and 690 million Euro as of December 31, 2017.