Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Summary of outstanding debt

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

As of December 31	2018		2017
3.875% Senior Notes due December 2025	746		745
5.00% Senior Notes due September 2020	599		598
3.50% Senior Notes due June 2024	596		595
4.75% Senior Notes due May 2045	592		592
2.875% Senior Notes due May 2026 (EUR 500M)	562		587
4.60% Senior Notes due June 2044	544		544
8.205% Junior Subordinated Notes due January 2027	521		521
2.80% Senior Notes due March 2021	398		398
4.00% Senior Notes due November 2023	348		348
4.50% Senior Notes due December 2028	347		—
6.25% Senior Notes due September 2040	296		296
4.76% Senior Notes due March 2018 (CAD 375M)	—		296
4.45% Senior Notes due May 2043	246		246
4.25% Senior Notes due December 2042	198		197
Commercial paper	250		—
Other	1		3
Total debt	6,244		5,966
Less: Short-term and current portion of long-term debt	251		299
Total long-term debt	$	5,993	$	5,667

Repayments of long-term debt

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

2019	$	251
2020	600
2021	400
2022	—
2023	—
Thereafter	5,095
Total Repayments	6,346
Unamortized discounts, premiums, and debt issuance costs	(102		)
Total Debt	$	6,244

Schedule of Commercial Paper

The weighted average commercial paper outstanding and its related interest rates are as follows:

Years ended December 31	2018			2017
Weighted average commercial paper outstanding	$	580		$	170
Weighted average interest rate of commercial paper outstanding	84		%	0.18		%

Commercial paper outstanding, which is included in Short-term debt and current portion of long-term debt in the Company’s Consolidated Statements of Financial Position, is as follows (in millions):

As of December, 31	2018		2017
Commercial paper outstanding	$	250	$	—