Debt (Tables)

12 Months Ended

Dec. 31, 2016

The following is a summary of outstanding debt (in millions):



As of December 31	2016		2015 ⁽¹⁾
3.875% Senior Notes due December 2025	$	744	$	—
5.00% Senior Notes due September 2020	598		597
4.75% Senior Notes due May 2045	592		591
3.50% Senior Notes due June 2024	594		593
4.60% Senior Notes due June 2044	543		543
2.875% Senior Notes due May 2026 (EUR 500M)	516		541
8.205% Junior Subordinated Notes due January 2027	521		521
3.125% Senior Notes due May 2016	—		500
2.80% Senior Notes due March 2021	397		396
4.00% Senior Notes due November 2023	347		347
6.25% Senior Notes due September 2040	295		295
4.76% Senior Notes due March 2018 (CAD 375M)	277		270
4.45% Senior Notes due May 2043	246		246
4.25% Senior Notes due December 2042	197		195
Commercial paper	329		50
Other	9		15
Total debt	6,205		5,700
Less short-term and current portion of long-term debt	336		562
Total long-term debt	$	5,869	$	5,138

(1) Amended to reflect the adoption of new guidance related to the presentation of debt issuance costs as described in Note 2 “Summary of Significant Accounting Principles and Practices.”

Repayments of long-term debt

Repayments of total debt are as follows (in millions):



2017	$	336
2018	278
2019	—
2020	600
2021	400
Thereafter	4,700
Total Repayments	6,314
Unamortized discount, premium, and debt issuance cost	(109		)
Total Debt	$	6,205