Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Long-term debt

	As of December 31,
In millions	2018		2017
6.400% Senior Notes due 2022 (1)	$	265	$	265
7.000% Debentures due 2025		46		46
7.150% Debentures due 2027		100		100
6.625% Debentures due 2028		141		141
5.700% Senior Notes due 2034 (2)		21		21
Surplus Notes due 2033 (3)		940		940
Accrued interest		751		624
Debt issuance costs		(15)		(16)
Total	$	2,249	$	2,121
________________
(1) - Callable on or after August 15, 2006 at par.
(2) - Callable anytime at the greater of par or the present value of the remaining scheduled
payments of principal and interest.
(3) - Contractual interest rate is based on three month LIBOR plus 11.26%.

Aggregate maturity of debt obligations

In millions	2019		2020		2021		2022		2023		Thereafter		Total
Corporate debt	$	-	$	-	$	-	$	265	$	-	$	308	$	573
Surplus Notes due 2033		-		-		-		-		-		940		940
Total debt obligations due	$	-	$	-	$	-	$	265	$	-	$	1,248	$	1,513

Principal payments due under investment agreement obligations

	Principal
In millions	Amount
Maturity date:
2019	$	7
2020		35
2021		2
2022		2
2023		20
Thereafter (through 2037)		295
Total expected principal payments (1)	$	361
Less discount and other adjustments (2)		50
Total	$	311
________________
(1)- Amounts reflect principal due at maturity for investment agreements issued at a discount.
(2)- Discount is net of carrying amount adjustment of $4 million and accrued interest adjustment of $5 million.

Principal payments due under medium-term note obligations based on contractual maturity

	Principal
In millions	Amount
Maturity date:
2019	$	58
2020		-
2021		-
2022		58
2023		-
Thereafter (through 2036)		835
Total expected principal payments (1)	$	951
Less discount and other adjustments (2)		229
Total	$	722
________________
(1)- Amounts reflect principal due at maturity for notes issued at a discount.
(2)- Discount is net of carrying amount adjustment of $34 million and accrued interest adjustment of $5 million.

Maturity of VIE notes, by segment

	Principal
In millions	Amount
Maturity date:
2019	$	108
2020		396
2021		72
2022		41
2023		13
Thereafter (through 2052)		1,111
Total	$	1,741	(1)
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(1) - Includes $480 million of VIE notes accounted for at fair value as of December 31, 2018.