Fair Value and Allocation of Plan Assets

Duke Energy’s policy is to fund amounts on an actuarial basis to provide assets sufficient to meet benefit payments to be paid to plan participants. The following table includes information related to the Duke Energy Registrants’ contributions to its qualified defined benefit pension plans.



			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont^(a)
Anticipated Contributions:
Total anticipated 2018 contributions	$	148	$	46	$	45	$	25	$	20	$	—	$	8	$	7
Contributions made January 2, 2018	141		46		45		25		20		—		8		—
Contributions to be made in 2018	$	7	$	—	$	—	$	—	$	—	$	—	$	—	$	7
Contributions Made:
2017	$	19	$	—	$	—	$	—	$	—	$	4	$	—	$	11
2016	155		43		43		24		20		5		9
2015	302		91		83		42		40		8		19


(a)	Piedmont contributed $10 million to its U.S. qualified defined benefit pension plan during the two months ended December 31, 2016, and for each of the years ended October 31, 2016, and 2015, respectively.

The following table presents target and actual asset allocations for the VEBA trusts at December 31, 2017.



			Actual Allocation at
	Target		December 31,
	Allocation		2017		2016
U.S. equity securities	32	%	41	%	39	%
Non-US equity securities	6	%	8	%	—	%
Real estate	2	%	2	%	2	%
Debt securities	45	%	36	%	37	%
Cash	15	%	13	%	22	%
Total	100	%	100	%	100	%

The following table includes the target asset allocations by asset class at December 31, 2017, and the actual asset allocations for the Duke Energy Master Retirement Trust.



			Actual Allocation at
	Target		December 31,
	Allocation		2017		2016^(a)
U.S. equity securities	10	%	11	%	11	%
Non-U.S. equity securities	8	%	8	%	8	%
Global equity securities	10	%	10	%	10	%
Global private equity securities	3	%	2	%	2	%
Debt securities	63	%	63	%	63	%
Hedge funds	2	%	2	%	2	%
Real estate and cash	2	%	2	%	2	%
Other global securities	2	%	2	%	2	%
Total	100	%	100	%	100	%


(a)	Excludes Piedmont Pension Assets, which had a targeted asset allocation of 60 percent return-seeking and 40 percent liability hedging fixed-income. Actual asset allocations were 61 percent return-seeking and 39 percent liability hedging fixed-income at December 31, 2016.

The following tables provide the fair value measurement amounts for VEBA trust assets.



	December 31, 2017
	Total Fair
(in millions)	Value		Level 2
Cash and cash equivalents	$	8	$	8
Real estate	1		1
Equity securities	28		28
Debt securities	21		21
Total assets	$	58	$	58



	December 31, 2016
	Total Fair
(in millions)	Value		Level 2
Cash and cash equivalents	$	14	$	14
Real estate	1		1
Equity securities	26		26
Debt securities	25		25
Total assets	$	66	$	66

The following tables provide the fair value measurement amounts for the Duke Energy Master Retirement Trust qualified pension and other post-retirement assets.



	December 31, 2017
	Total Fair								Not
(in millions)	Value		Level 1		Level 2		Level 3		Categorized^(b)
Equity securities	$	2,823	$	1,976	$	—	$	—	847
Corporate debt securities	4,694		—		4,694		—		—
Short-term investment funds	246		192		54		—		—
Partnership interests	137		—		—		—		137
Hedge funds	226		—		—		—		226
Real estate limited partnerships	135		—		—		—		135
U.S. government securities	762		—		762		—		—
Guaranteed investment contracts	28		—		—		28		—
Governments bonds – foreign	38		—		38		—		—
Cash	6		6		—		—		—
Government and commercial mortgage backed securities	2		—		2		—		—
Net pending transactions and other investments	17		15		2		—		—
Total assets^(a)	$	9,114	$	2,189	$	5,552	$	28	$	1,345

(a)

Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana, and Piedmont were allocated approximately 27 percent, 30 percent, 15 percent, 15 percent, 5 percent, 8 percent, and 4 percent, respectively, of the Duke Energy Master Retirement Trust at December 31, 2017. Accordingly, all amounts included in the table above are allocable to the Subsidiary Registrants using these percentages.


(b)	Certain investments that are measured at fair value using the net asset value per share practical expedient have not been categorized in the fair value hierarchy.



	December 31, 2016
	Total Fair								Not
(in millions)	Value		Level 1		Level 2		Level 3		Categorized^(b)
Equity securities	$	2,472	$	1,677	$	27	$	9	759
Corporate debt securities	4,330		8		4,322		—		—
Short-term investment funds	476		211		265		—		—
Partnership interests	157		—		—		—		157
Hedge funds	232		—		—		—		232
Real estate limited partnerships	144		17		—		—		127
U.S. government securities	734		—		734		—		—
Guaranteed investment contracts	29		—		—		29		—
Governments bonds – foreign	32		—		32		—		—
Cash	17		15		2		—		—
Net pending transactions and other investments	32		1		6		—		25
Total assets^(a)	$	8,655	$	1,929	$	5,388	$	38	$	1,300

(a)

Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio and Duke Energy Indiana were allocated approximately 27 percent, 30 percent, 15 percent, 15 percent, 5 percent and 8 percent, respectively, of the Duke Energy Master Retirement Trust and Piedmont's Pension assets at December 31, 2016. Accordingly, all amounts included in the table above are allocable to the Subsidiary Registrants using these percentages.


(b)	Certain investments that are measured at fair value using the net asset value per share practical expedient have not been categorized in the fair value hierarchy.

Master Trust Level 3 Rollforward

The following table provides a reconciliation of beginning and ending balances of Duke Energy Master Retirement Trust qualified pension and other post-retirement assets and Piedmont Pension Assets at fair value on a recurring basis where the determination of fair value includes significant unobservable inputs (Level 3).



(in millions)	2017			2016
Balance at January 1	$	38		$	31
Combination of Piedmont Pension Assets	—			9
Sales	(2		)	(2		)
Total gains (losses) and other, net	1			—
Transfer of Level 3 assets to other classifications	(9		)	—
Balance at December 31	$	28		$	38

Employee Savings Plan Matching Contributions

The following table includes pretax employer matching contributions made by Duke Energy and expensed by the Subsidiary Registrants.



			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont^(a)
Years ended December 31,
2017	$	179	$	61	$	53	$	37	$	16	$	3	$	9	$	7
2016	169		57		50		35		15		3		8		—
2015	159		54		48		34		13		3		7		—


(a)	Piedmont's pretax employer matching contributions were $1 million, $7 million and $7 million during the two months ended December 31, 2016 and for the years ended October 31, 2016 and 2015, respectively.

Pension Plan [Member] | Qualified Plan [Member]

Amounts Recognized in AOCI and Regulatory Assets and Liabilities



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Service cost	$	159		$	48		$	45		$	26		$	19		$	4		$	9		$	10
Interest cost on projected benefit obligation	328			79			100			47			53			18			26			14
Expected return on plan assets	(545		)	(142		)	(167		)	(82		)	(85		)	(27		)	(42		)	(24		)
Amortization of actuarial loss	146			31			52			23			29			5			12			11
Amortization of prior service credit	(24		)	(8		)	(3		)	(2		)	(1		)	(1		)	(2		)	(2		)
Settlement charge	12			—			—			—			—			—			—			12
Other	8			2			2			1			1			—			1			1
Net periodic pension costs^(a)(b)	$	84		$	10		$	29		$	13		$	16		$	(1	)	$	4		$	22



	Year Ended December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Service cost	$	147		$	48		$	42		$	24		$	19		$	4		$	9
Interest cost on projected benefit obligation	335			86			106			49			55			19			28
Expected return on plan assets	(519		)	(142		)	(168		)	(82		)	(84		)	(27		)	(42		)
Amortization of actuarial loss	134			33			51			23			29			4			11
Amortization of prior service (credit)	(17		)	(8		)	(3		)	(2		)	(1		)	—			(1		)
Settlement charge	3			—			—			—			—			—			—
Other	8			2			3			1			1			1			1
Net periodic pension costs^(a)(b)	$	91		$	19		$	31		$	13		$	19		$	1		$	6



	Year Ended December 31, 2015
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Service cost	$	159		$	50		$	44		$	23		$	20		$	4		$	10
Interest cost on projected benefit obligation	324			83			104			48			54			18			27
Expected return on plan assets	(516		)	(139		)	(171		)	(79		)	(87		)	(26		)	(42		)
Amortization of actuarial loss	166			39			65			33			31			7			13
Amortization of prior service (credit) cost	(15		)	(7		)	(3		)	(2		)	(1		)	—			1
Other	8			2			3			1			1			—			1
Net periodic pension costs^(a)(b)	$	126		$	28		$	42		$	24		$	18		$	3		$	10


(a)	Duke Energy amounts exclude $7 million, $8 million and $9 million for the years ended December 2017, 2016 and 2015, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy's merger with Cinergy in April 2006.


(b)	Duke Energy Ohio amounts exclude $3 million, $4 million and $4 million for the years ended December 2017, 2016 and 2015, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy's merger with Cinergy in April 2006.

Amounts Recognized in Accumulated Other Comprehensive Income and Regulatory Assets



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke		Duke
	Duke			Energy			Progress			Energy			Energy			Energy		Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio		Indiana			Piedmont
Regulatory assets, net (decrease) increase	$	(212	)	$	(70	)	$	(49	)	$	(37	)	$	(11	)	$	9	$	(19	)	$	(64	)
Accumulated other comprehensive loss (income)
Deferred income tax expense	$	—		—			3			—			—			—		—			—
Prior year service cost arising during the year	1			—			—			—			—			—		—			—
Amortization of prior year actuarial losses	(7		)	—			(7		)	—			—			—		—			—
Net amount recognized in accumulated other comprehensive income	$	(6	)	$	—		$	(4	)	$	—		$	—		$	—	$	—		$	—



	Year Ended December 31, 2016
				Duke					Duke		Duke		Duke		Duke
	Duke			Energy		Progress			Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas		Energy			Progress		Florida		Ohio		Indiana
Regulatory assets, net increase	$	214		$	4	$	34		$	18	$	16	$	2	$	9
Accumulated other comprehensive (income) loss
Deferred income tax expense	$	4		$	—	$	—		$	—	$	—	$	—	$	—
Prior year service credit arising during the year	(2		)	—		—			—		—		—		—
Amortization of prior year actuarial losses	(7		)	—		(1		)	—		—		—		—
Net amount recognized in accumulated other comprehensive income	$	(5	)	$	—	$	(1	)	$	—	$	—	$	—	$	—

Piedmont's regulatory asset net increase was $34 million, $35 million and $20 million for the two months ended December 31, 2016, and for the years ended October 31, 2016, and 2015, respectively.

Reconciliation of Funded Status to Net Amount Recognized



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Change in Projected Benefit Obligation
Obligation at prior measurement date	$	8,131		$	1,952		$	2,512		$	1,158		$	1,323		$	447		$	658		$	344
Service cost	159			48			45			26			19			4			9			10
Interest cost	328			79			100			47			53			18			26			14
Actuarial loss	455			68			158			57			99			35			26			38
Transfers	—			27			(32		)	(2		)	(15		)	12			—			—
Plan amendments	(61		)	—			—			—			—						—			(61		)
Benefits paid	(537		)	(145		)	(146		)	(75		)	(69		)	(37		)	(50		)	(5		)
Benefits paid - settlements	(27		)	—			—			—			—			—			—			(27		)
Obligation at measurement date	$	8,448		$	2,029		$	2,637		$	1,211		$	1,410		$	479		$	669		$	313
Accumulated Benefit Obligation at measurement date	$	8,369		$	2,029		$	2,601		$	1,211		$	1,375		$	468		$	652		$	313
Change in Fair Value of Plan Assets
Plan assets at prior measurement date	$	8,531		$	2,225		$	2,675		$	1,290		$	1,352		$	428		$	657		$	346
Employer contributions	19			—			—			—			—			4			—			11
Actual return on plan assets	1,017			265			317			153			161			51			77			43
Benefits paid	(537		)	(145		)	(146		)	(75		)	(69		)	(37		)	(50		)	(5		)
Benefits paid - settlements	(27		)	—			—			—			—			—			—			(27		)
Transfers	—			27			(32		)	(2		)	(15		)	12			—			—
Plan assets at measurement date	$	9,003		$	2,372		$	2,814		$	1,366		$	1,429		$	458		$	684		$	368
Funded status of plan	$	555		$	343		$	177		$	155		$	19		$	(21	)	$	15		$	55



	Year Ended December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Change in Projected Benefit Obligation
Obligation at prior measurement date	$	7,727		$	1,995		$	2,451		$	1,143		$	1,276		$	453		$	649
Obligation assumed from acquisition	352			—			—			—			—			—			—
Service cost	147			48			42			24			19			4			9
Interest cost	335			86			106			49			55			19			28
Actuarial loss	307			46			111			52			57			13			41
Transfers	—			14			(3		)	(3		)	—			(3		)	—
Plan amendments	(52		)	(3		)	—			—			—			(3		)	(15		)
Benefits paid	(679		)	(234		)	(195		)	(107		)	(84		)	(36		)	(54		)
Impact of settlements	(6		)	—			—			—			—			—			—
Obligation at measurement date	$	8,131		$	1,952		$	2,512		$	1,158		$	1,323		$	447		$	658
Accumulated Benefit Obligation at measurement date	$	8,006		$	1,952		$	2,479		$	1,158		$	1,290		$	436		$	649
Change in Fair Value of Plan Assets
Plan assets at prior measurement date	$	8,136		$	2,243		$	2,640		$	1,284		$	1,321		$	433		$	655
Assets received from acquisition	343			—			—			—			—			—			—
Employer contributions	155			43			43			24			20			5			9
Actual return on plan assets	582			159			190			92			95			29			47
Benefits paid	(679		)	(234		)	(195		)	(107		)	(84		)	(36		)	(54		)
Impact of settlements	(6		)	—			—			—			—			—			—
Transfers	—			14			(3		)	(3		)	—			(3		)	—
Plan assets at measurement date	$	8,531		$	2,225		$	2,675		$	1,290		$	1,352		$	428		$	657
Funded status of plan	$	400		$	273		$	163		$	132		$	29		$	(19	)	$	(1	)

Amounts Recognized in the Consolidated Balance Sheet

Amounts Recognized in the Consolidated Balance Sheets



	December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Prefunded pension^(a)	$	680		$	343		$	245		$	155		$	87		$	8		$	16		$	55
Noncurrent pension liability^(b)	$	125		$	—		$	68		$	—		$	68		$	29		$	1		$	—
Net asset (liability) recognized	$	555		$	343		$	177		$	155		$	19		$	(21	)	$	15		$	55
Regulatory assets	$	1,886		$	406		$	756		$	341		$	415		$	90		$	152		$	73
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(41	)	$	—		$	(3	)	$	—		$	—		$	—		$	—		$	—
Prior service credit	(5		)	—			—			—			—			—			—			—
Net actuarial loss	116			—			9			—			—			—			—			—
Net amounts recognized in accumulated other comprehensive loss	$	70		$	—		$	6		$	—		$	—		$	—		$	—		$	—
Amounts to be recognized in net periodic pension costs in the next year
Unrecognized net actuarial loss	$	132		$	29		$	44		$	21		$	23		$	5		$	7		$	11
Unrecognized prior service credit	(32		)	(8		)	(3		)	(2		)	(1		)	—			(2		)	(9		)



	December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Prefunded pension^(a)	$	518		$	273		$	225		$	132		$	91		$	6		$	—		3
Noncurrent pension liability^(b)	$	118		$	—		$	62		$	—		$	62		$	25		$	1		—
Net asset recognized	$	400		$	273		$	163		$	132		$	29		$	(19	)	$	(1	)	$	3
Regulatory assets	$	2,098		$	476		$	805		$	378		$	426		$	81		$	171		$	137
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(41	)	$	—		$	(6	)	$	—		$	—		$	—		$	—		$	—
Prior service credit	(6		)	—			—			—			—			—			—			—
Net actuarial loss	123			—			16			—			—			—			—			—
Net amounts recognized in accumulated other comprehensive loss	$	76		$	—		$	10		$	—		$	—		$	—		$	—		$	—
Amounts to be recognized in net periodic pension costs in the next year
Unrecognized net actuarial loss	$	147		$	31		$	52		$	23		$	29		$	5		$	8		$	13
Unrecognized prior service credit	$	(24	)	$	(8	)	$	(3	)	$	(2	)	$	(1	)	$	—		$	(2	)	$	(2	)


(a)	Included in Other within Other Noncurrent Assets on the Consolidated Balance Sheets.


(b)	Included in Accrued pension and other post-retirement benefit costs on the Consolidated Balance Sheets.

Information for Plans with Accumulated Benefit Obligation in Excess of Plan Assets



	December 31, 2017
					Duke		Duke
	Duke		Progress		Energy		Energy
(in millions)	Energy		Energy		Florida		Ohio
Projected benefit obligation	$	1,386	$	718	$	718	$	337
Accumulated benefit obligation	1,326		683		683		326
Fair value of plan assets	1,260		650		650		308



	December 31, 2016
					Duke		Duke
	Duke		Progress		Energy		Energy
(in millions)	Energy		Energy		Florida		Ohio
Projected benefit obligation	$	1,299	$	665	$	665	$	311
Accumulated benefit obligation	1,239		633		633		299
Fair value of plan assets	1,182		604		604		286

Expected Benefit Payments

The following tables present the assumptions or range of assumptions used for pension benefit accounting.



	December 31,
	2017				2016				2015
Benefit Obligations
Discount rate				3.60%				4.10%				4.40%
Salary increase	3.50	%	–	4.00%	4.00	%	–	4.50%	4.00	%	–	4.40%
Net Periodic Benefit Cost
Discount rate				4.10%				4.40%				4.10%
Salary increase	4.00	%	–	4.50%	4.00	%	–	4.40%	4.00	%	–	4.40%
Expected long-term rate of return on plan assets	6.50	%	–	6.75%	6.50	%	–	6.75%				6.50%



			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Years ending December 31,
2018	$	642	$	185	$	161	$	85	$	75	$	36	$	47	$	29
2019	644		185		164		86		77		36		46		26
2020	661		195		172		90		80		36		44		24
2021	666		194		175		93		81		37		44		24
2022	672		197		176		92		83		36		44		23
2023-2027	3,099		865		888		449		435		166		210		103

Pension Plan [Member] | Nonqualified Plan [Member]

Amounts Recognized in AOCI and Regulatory Assets and Liabilities



	Year Ended December 31, 2017
				Duke				Duke		Duke		Duke		Duke
	Duke			Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Service cost	$	2		$	1	$	—	$	—	$	—	$	—	$	—	$	—
Interest cost on projected benefit obligation	13			1		5		1		2		—		—		—
Amortization of actuarial loss	8			—		2		1		1		—		—		—
Amortization of prior service credit	(2		)	—		—		—		—		—		—		—
Net periodic pension costs	$	21		$	2	$	7	$	2	$	3	$	—	$	—	$	—



	Year Ended December 31, 2016
				Duke				Duke		Duke		Duke		Duke
	Duke			Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas		Energy		Progress		Florida		Ohio		Indiana
Service cost	$	2		$	—	$	—	$	—	$	—	$	—	$	—
Interest cost on projected benefit obligation	14			1		5		1		2		—		—
Amortization of actuarial loss	8			1		1		1		1		—		—
Amortization of prior service credit	(1		)	—		—		—		—		—		—
Net periodic pension costs	$	23		$	2	$	6	$	2	$	3	$	—	$	—



	Year Ended December 31, 2015
				Duke					Duke		Duke		Duke		Duke
	Duke			Energy		Progress			Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas		Energy			Progress		Florida		Ohio		Indiana
Service cost	$	3		$	—	$	1		$	—	$	—	$	—	$	—
Interest cost on projected benefit obligation	13			1		4			1		2		—		—
Amortization of actuarial loss	6			—		2			1		2		—		1
Amortization of prior service credit	(1		)	—		(1		)	—		—		—		—
Net periodic pension costs	$	21		$	1	$	6		$	2	$	4	$	—	$	1

Amounts Recognized in Accumulated Other Comprehensive Income and Regulatory Assets and Liabilities



	Year Ended December 31, 2017
				Duke					Duke		Duke		Duke		Duke
	Duke			Energy			Progress		Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas			Energy		Progress		Florida		Ohio		Indiana		Piedmont
Regulatory assets, net (decrease) increase	$	5		$	(1	)	$	3	$	1	$	2	$	—	$	—	$	—
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(1	)	$	—		$	—	$	—	$	—	$	—	$	—	$	—
Actuarial loss arising during the year	2			—			—		—		—		—		—		—
Net amount recognized in accumulated other comprehensive loss (income)	$	1		$	—		$	—	$	—	$	—	$	—	$	—	$	—



	Year Ended December 31, 2016
				Duke					Duke		Duke		Duke		Duke
	Duke			Energy			Progress		Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas			Energy		Progress		Florida		Ohio		Indiana
Regulatory assets, net (decrease) increase	$	(3	)	$	(2	)	$	2	$	1	$	1	$	—	$	(1	)
Accumulated other comprehensive (income) loss
Prior service credit arising during the year	$	(1	)	$	—		$	—	$	—	$	—	$	—	$	—
Actuarial gains arising during the year	1			—			—		—		—		—		—
Net amount recognized in accumulated other comprehensive loss (income)	$	—		$	—		$	—	$	—	$	—	$	—	$	—

Reconciliation of Funded Status to Net Amount Recognized



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke		Duke
	Duke			Energy			Progress			Energy			Energy			Energy		Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio		Indiana		Piedmont
Change in Projected Benefit Obligation
Obligation at prior measurement date	$	332		$	14		$	114		$	33		$	46		$	4	$	3	$	4
Service cost	2			1			—			—			—			—		—		—
Interest cost	13			1			5			1			2			—		—		—
Actuarial losses (gains)	15			—			5			4			2			—		—		—
Benefits paid	(31		)	(2		)	(8		)	(3		)	(3		)	—		—		—
Obligation at measurement date	$	331		$	14		$	116		$	35		$	47		$	4	$	3	$	4
Accumulated Benefit Obligation at measurement date	$	331		$	14		$	116		$	35		$	47		$	4	$	3	$	4
Change in Fair Value of Plan Assets
Benefits paid	$	(31	)	$	(2	)	$	(8	)	$	(3	)	$	(3	)	$	—	$	—	$	—
Employer contributions	31			2			8			3			3			—		—		—
Plan assets at measurement date	$	—		$	—		$	—		$	—		$	—		$	—	$	—	$	—



	Year Ended December 31, 2016
				Duke						Duke			Duke			Duke		Duke
	Duke			Energy			Progress			Energy			Energy			Energy		Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio		Indiana
Change in Projected Benefit Obligation
Obligation at prior measurement date	$	341		$	16		$	112		$	33		$	46		$	4	$	5
Obligation assumed from acquisition	5			—			—			—			—			—		—
Service cost	2			—			—			—			—			—		—
Interest cost	14			1			5			1			2			—		—
Actuarial losses (gains)	4			(1		)	5			2			1			—		(2		)
Plan amendments	(2		)	—			—			—			—			—
Benefits paid	(32		)	(2		)	(8		)	(3		)	(3		)	—		—
Obligation at measurement date	$	332		$	14		$	114		$	33		$	46		$	4	$	3
Accumulated Benefit Obligation at measurement date	$	332		$	14		$	114		$	33		$	46		$	4	$	3
Change in Fair Value of Plan Assets
Benefits paid	$	(32	)	$	(2	)	$	(8	)	$	(3	)	$	(3	)	—		—
Employer contributions	32			2			8			3			3			—		—
Plan assets at measurement date	$	—		$	—		$	—		$	—		$	—		$	—	$	—

Amounts Recognized in the Consolidated Balance Sheet

Amounts Recognized in the Consolidated Balance Sheets



	December 31, 2017
				Duke					Duke		Duke		Duke		Duke
	Duke			Energy		Progress			Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas		Energy			Progress		Florida		Ohio		Indiana		Piedmont
Current pension liability^(a)	$	23		$	2	$	8		$	3	$	3	$	—	$	—	$	—
Noncurrent pension liability^(b)	308			12		108			32		44		4		3		4
Total accrued pension liability	$	331		$	14	$	116		$	35	$	47	$	4	$	3	$	4
Regulatory assets	$	78		$	4	$	21		$	8	$	13	$	1	$	—	$	1
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(4	)	$	—	$	(3	)	$	—	$	—	$	—	$	—	$	—
Prior service credit	(1		)	—		—			—		—		—		—		—
Net actuarial loss	12			—		9			—		—		—		—		—
Net amounts recognized in accumulated other comprehensive loss	$	7		$	—	$	6		$	—	$	—	$	—	$	—	$	—
Amounts to be recognized in net periodic pension expense in the next year
Unrecognized net actuarial loss	$	8		$	—	$	2		$	1	$	1	$	—	$	—	$	—
Unrecognized prior service credit	(2		)	—		—			—		—		—		—		—



	December 31, 2016
				Duke					Duke		Duke		Duke		Duke
	Duke			Energy		Progress			Energy		Energy		Energy		Energy
(in millions)	Energy			Carolinas		Energy			Progress		Florida		Ohio		Indiana		Piedmont
Current pension liability^(a)	$	28		$	2	$	8		$	2	$	3	$	—	$	—	$	—
Noncurrent pension liability^(b)	304			12		106			31		43		4		3		4
Total accrued pension liability	$	332		$	14	$	114		$	33	$	46	$	4	$	3	$	4
Regulatory assets	$	73		$	5	$	18		$	7	$	11	$	1	$	—	$	1
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(3	)	$	—	$	(3	)	$	—	$	—	$	—	$	—	$	—
Prior service credit	(1		)	—		—			—		—		—		—		—
Net actuarial loss	10			—		9			—		—		—		—		—
Net amounts recognized in accumulated other comprehensive loss	$	6		$	—	$	6		$	—	$	—	$	—	$	—	$	—
Amounts to be recognized in net periodic pension expense in the next year
Unrecognized net actuarial loss	$	7		$	—	$	2		$	1	$	1	$	—	$	—	$	—
Unrecognized prior service credit	$	(2	)	$	—	$	—		$	—	$	—	$	—	$	—	$	—

(a) Included in Other within Current Liabilities on the Consolidated Balance Sheets.


(b)	Included in Accrued pension and other post-retirement benefit costs on the Consolidated Balance Sheets.

Information for Plans with Accumulated Benefit Obligation in Excess of Plan Assets



	December 31, 2017
			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Projected benefit obligation	$	331	$	14	$	116	$	35	$	47	$	4	$	3	$	4
Accumulated benefit obligation	331		14		116		35		47		4		3		4



	December 31, 2016
			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Projected benefit obligation	$	332	$	14	$	114	$	33	$	46	$	4	$	3	$	4
Accumulated benefit obligation	332		14		114		33		46		4		3		4

Expected Benefit Payments

The following tables present the assumptions used for pension benefit accounting.



	December 31,
	2017					2016		2015
Benefit Obligations
Discount rate				3.60	%	4.10	%	4.40	%
Salary increase	3.50	%	–	4.00	%	4.40	%	4.40	%
Net Periodic Benefit Cost
Discount rate				4.10	%	4.40	%	4.10	%
Salary increase				4.40	%	4.40	%	4.40	%



			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Years ending December 31,
2018	$	23	$	2	$	8	$	3	$	3	$	—	$	—	$	—
2019	21		1		8		2		3		—		—		—
2020	21		1		8		2		3		—		—		—
2021	22		1		8		2		3		—		—		—
2022	25		1		8		2		3		—		—		—
2023-2027	117		6		36		11		15		1		1		2

Other Post-Retirement Benefit Plans [Member]

Amounts Recognized in AOCI and Regulatory Assets and Liabilities

Components of Net Periodic Other Post-Retirement Benefit Costs



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Service cost	$	4		$	1		$	—		$	—		$	—		$	—		$	—		$	1
Interest cost on accumulated post-retirement benefit obligation	34			8			13			7			6			1			3			1
Expected return on plan assets	(14		)	(8		)	—			—			—			—			(1		)	(2		)
Amortization of actuarial loss (gain)	10			(2		)	21			12			9			(2		)	(1		)	1
Amortization of prior service credit	(115		)	(10		)	(84		)	(54		)	(30		)	—			(1		)	—
Curtailment credit ^(c)	$	(30	)	$	(4	)	$	(16	)	$	—		$	(16	)	$	(2	)	$	(2	)	$	—
Net periodic post-retirement benefit costs^(a)(b)	$	(111	)	$	(15	)	$	(66	)	$	(35	)	$	(31	)	$	(3	)	$	(2	)	$	1



	Year Ended December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Service cost	$	3		$	1		$	1		$	—		$	1		$	—		$	—
Interest cost on accumulated post-retirement benefit obligation	35			8			15			8			7			1			4
Expected return on plan assets	(12		)	(8		)	—			—			—			—			(1		)
Amortization of actuarial loss (gain)	6			(3		)	22			13			9			(2		)	(1		)
Amortization of prior service credit	(141		)	(14		)	(103		)	(68		)	(35		)	—			(1		)
Net periodic post-retirement benefit costs^(a)(b)	$	(109	)	$	(16	)	$	(65	)	$	(47	)	$	(18	)	$	(1	)	$	1



	Year Ended December 31, 2015
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Service cost	$	6		$	1		$	1		$	1		$	1		$	—		$	1
Interest cost on accumulated post-retirement benefit obligation	36			9			15			8			7			2			4
Expected return on plan assets	(13		)	(8		)	—			—			—			(1		)	(1		)
Amortization of actuarial loss (gain)	16			(2		)	28			18			10			(2		)	(2		)
Amortization of prior service credit	(140		)	(14		)	(102		)	(68		)	(35		)	—			—
Net periodic post-retirement benefit costs^(a)(b)	$	(95	)	$	(14	)	$	(58	)	$	(41	)	$	(17	)	$	(1	)	$	2


(a)	Duke Energy amounts exclude $7 million, $8 million and $10 million for the years ended December 2017, 2016 and 2015, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy's merger with Cinergy in April 2006.


(b)	Duke Energy Ohio amounts exclude $2 million, $2 million and $3 million for the years ended December 2017, 2016 and 2015, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy's merger with Cinergy in April 2006.


(c)	Curtailment credit resulted from a reduction in average future service of plan participants due to a plan amendment.

Amounts Recognized in Accumulated Other Comprehensive Income and Regulatory Assets and Liabilities



	Year Ended December 31, 2017
				Duke					Duke		Duke		Duke			Duke
	Duke			Energy			Progress		Energy		Energy		Energy			Energy
(in millions)	Energy			Carolinas			Energy		Progress		Florida		Ohio			Indiana			Piedmont
Regulatory assets, net increase (decrease)	$	71		$	—		$	81	$	42	$	39	$	—		$	(5	)	$	(11	)
Regulatory liabilities, net increase (decrease)	$	(27	)	$	(2	)	$	—	$	—	$	—	$	(3	)	$	(7	)	$	—
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(1	)	$	—		$	—	$	—	$	—	$	—		$	—		$	—
Amortization of prior year prior service credit	3			—			—		—		—		—			—			—
Net amount recognized in accumulated other comprehensive income	$	2		$	—		$	—	$	—	$	—	$	—		$	—		$	—



	Year Ended December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Regulatory assets, net increase (decrease)	$	53		$	—		$	47		$	38		$	9		$	—		$	(6	)
Regulatory liabilities, net increase (decrease)	$	(114	)	$	(22	)	$	(51	)	$	(25	)	$	(26	)	$	(2	)	$	(12	)
Accumulated other comprehensive (income) loss
Deferred income tax benefit	$	(2	)	$	—		$	—		$	—		$	—		$	—		$	—
Actuarial losses arising during the year	3			—			—			—			—			—			—
Amortization of prior year prior service credit	1			—			1			—			—			—			—
Net amount recognized in accumulated other comprehensive income	$	2		$	—		$	1		$	—		$	—		$	—		$	—

Piedmont's regulatory assets net decreased $1 million for the two months ended December 31, 2016, and increased $2 million and $1 million for the years ended October 31, 2016, and 2015, respectively.

Reconciliation of Funded Status to Net Amount Recognized

Reconciliation of Funded Status to Accrued Other Post-Retirement Benefit Costs



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Change in Projected Benefit Obligation
Accumulated post-retirement benefit obligation at prior measurement date	$	868		$	201		$	357		$	191		$	164		$	32		$	83		$	39
Service cost	4			1			—			—			—			—			—			1
Interest cost	34			8			13			7			6			1			3			1
Plan participants' contributions	17			3			6			3			3			1			2			—
Actuarial (gains) losses	4			(3		)	4			1			3			—			3			1
Transfers	—			2			(1		)	—			(1		)	1			—			—
Plan amendments	(28		)	(5		)	(3		)	(1		)	(2		)	(2		)	(2		)	(9		)
Benefits paid	(86		)	(18		)	(34		)	(17		)	(17		)	(3		)	(11		)	(1		)
Accumulated post-retirement benefit obligation at measurement date	$	813		$	189		$	342		$	184		$	156		$	30		$	78		$	32
Change in Fair Value of Plan Assets
Plan assets at prior measurement date	$	244		$	137		$	1		$	—		$	—		$	7		$	22		$	29
Actual return on plan assets	25			15			1			—			—			2			1			3
Benefits paid	(86		)	(18		)	(34		)	(17		)	(17		)	(3		)	(11		)	(1		)
Employer contributions (reimbursements)	25			(4		)	26			14			14			—			(3		)	—
Plan participants' contributions	17			3			6			3			3			1			2			—
Plan assets at measurement date	$	225		$	133		$	—		$	—		$	—		$	7		$	11		$	31



	Year Ended December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana
Change in Projected Benefit Obligation
Accumulated post-retirement benefit obligation at prior measurement date	$	828		$	200		$	354		$	188		$	164		$	35		$	87
Obligation assumed from acquisition	39			—			—			—			—			—			—
Service cost	3			1			1			—			1			—			—
Interest cost	35			8			15			8			7			1			4
Plan participants' contributions	19			3			7			4			3			1			2
Actuarial (gains) losses	33			5			16			8			8			—			3
Transfers	—			1			—			—			—			—			—
Plan amendments	(1		)	—			—			—			—			(1		)	—
Benefits paid	(88		)	(17		)	(36		)	(17		)	(19		)	(4		)	(13		)
Accumulated post-retirement benefit obligation at measurement date	$	868		$	201		$	357		$	191		$	164		$	32		$	83
Change in Fair Value of Plan Assets
Plan assets at prior measurement date	$	208		$	134		$	—		$	—		$	1		$	8		$	19
Assets received from acquisition	29			—			—			—			—			—			—
Actual return on plan assets	14			8			1			—			—			1			2
Benefits paid	(88		)	(17		)	(36		)	(17		)	(19		)	(4		)	(13		)
Employer contributions	62			9			29			13			15			1			12
Plan participants' contributions	19			3			7			4			3			1			2
Plan assets at measurement date	$	244		$	137		$	1		$	—		$	—		$	7		$	22

Amounts Recognized in the Consolidated Balance Sheet

Amounts Recognized in the Consolidated Balance Sheets



	December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Current post-retirement liability^(a)	$	36		$	—		$	29		$	15		$	14		$	2		$	—		$	—
Noncurrent post-retirement liability^(b)	552			56			313			169			142			21			67			1
Total accrued post-retirement liability	$	588		$	56		$	342		$	184		$	156		$	23		$	67		$	1
Regulatory assets	$	125		$	—		$	129		$	80		$	49		$	—		$	46		$	(4	)
Regulatory liabilities	$	147		$	44		$	—		$	—		$	—		$	16		$	64		$	—
Accumulated other comprehensive (income) loss
Deferred income tax expense	$	4		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Prior service credit	(2		)	—			—			—			—			—			—			—
Net actuarial gain	(10		)	—			—			—			—			—			—			—
Net amounts recognized in accumulated other comprehensive income	$	(8	)	$	—		$	—		$	—		$	—		$	—		$	—		$	—
Amounts to be recognized in net periodic pension expense in the next year
Unrecognized net actuarial loss	$	5		$	3		$	1		$	—		$	1		$	—		$	—		$	—
Unrecognized prior service credit	(19		)	(5		)	(7		)	(1		)	(6		)	(1		)	(1		)	(2		)



	December 31, 2016
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Current post-retirement liability^(a)	$	38		$	—		$	31		$	17		$	15		$	2		$	—		$	—
Noncurrent post-retirement liability^(b)	586			64			325			174			149			23			63			10
Total accrued post-retirement liability	$	624		$	64		$	356		$	191		$	164		$	25		$	63		$	10
Regulatory assets	$	54		$	—		$	48		$	38		$	10		$	—		$	51		$	7
Regulatory liabilities	$	174		$	46		$	—		$	—		$	—		$	19		$	71		$	—
Accumulated other comprehensive (income) loss
Deferred income tax expense	$	5		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Prior service credit	(5		)	—			—			—			—			—			—			—
Net actuarial gain	(10		)	—			—			—			—			—			—			—
Net amounts recognized in accumulated other comprehensive income	$	(10	)	$	—		$	—		$	—		$	—		$	—		$	—		$	—
Amounts to be recognized in net periodic pension expense in the next year
Unrecognized net actuarial loss (gain)	$	10		$	(2	)	$	21		$	12		$	9		$	(2	)	$	(6	)	$	—
Unrecognized prior service credit	(115		)	(10		)	(85		)	(55		)	(30		)	—			(1		)	—


(a)	Included in Other within Current Liabilities on the Consolidated Balance Sheets.


(b)	Included in Accrued pension and other post-retirement benefit costs on the Consolidated Balance Sheets.

Assumed Health Care Cost Trend Rate

The following tables present the assumptions used for other post-retirement benefits accounting.



	December 31,
	2017		2016		2015
Benefit Obligations
Discount rate	3.60	%	4.10	%	4.40	%
Net Periodic Benefit Cost
Discount rate	4.10	%	4.40	%	4.10	%
Expected long-term rate of return on plan assets	6.50	%	6.50	%	6.50	%
Assumed tax rate	35	%	35	%	35	%



	December 31,
	2017		2016
Health care cost trend rate assumed for next year	7.00	%	7.00	%
Rate to which the cost trend is assumed to decline (the ultimate trend rate)	4.75	%	4.75	%
Year that rate reaches ultimate trend	2024		2023

Sensitivity to Changes in Assumed Health Care Cost Trend Rates



	Year Ended December 31, 2017
				Duke						Duke			Duke			Duke			Duke
	Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)	Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
1-Percentage Point Increase
Effect on total service and interest costs	$	1		$	—		$	1		$	1		$	—		$	—		$	—		$	—
Effect on post-retirement benefit obligation	27			6			11			6			5			1			3			1
1-Percentage Point Decrease
Effect on total service and interest costs	(1		)	—			—			—			—			—			—			—
Effect on post-retirement benefit obligation	(24		)	(6		)	(10		)	(5		)	(5		)	(1		)	(2		)	(1		)

Expected Benefit Payments



			Duke				Duke		Duke		Duke		Duke
	Duke		Energy		Progress		Energy		Energy		Energy		Energy
(in millions)	Energy		Carolinas		Energy		Progress		Florida		Ohio		Indiana		Piedmont
Years ending December 31,
2018	$	78	$	17	$	30	$	16	$	14	$	3	$	9	$	2
2019	76		17		29		15		14		3		9		2
2020	73		17		29		15		14		3		8		2
2021	71		17		28		15		13		3		7		3
2022	68		17		27		14		13		3		7		3
2023 – 2027	290		70		117		63		54		12		29		13

Piedmont Natural Gas [Member] | Pension Plan [Member] | Qualified Plan [Member]

Reconciliation of Funded Status to Net Amount Recognized



	Piedmont
	Two Months Ended			Years Ended October 31,
(in millions)	December 31, 2016			2016			2015
Service cost	$	2		$	11		$	11
Interest cost on projected benefit obligation	2			9			12
Expected return on plan assets	(4		)	(24		)	(24		)
Amortization of actuarial loss	2			8			9
Amortization of prior service credit	(1		)	(2		)	(2		)
Settlement charge	3			—			—
Net periodic pension costs	$	4		$	2		$	6



	Piedmont
	Two Months Ended			Years Ended
(in millions)	December 31, 2016			October 31, 2016
Change in Projected Benefit Obligation
Obligation at prior measurement date	$	352		$	312
Service cost	2			11
Interest cost	2			9
Actuarial gain	(5		)	34
Benefits paid	(1		)	(14		)
Impact of settlements	(6		)	—
Obligation at measurement date	$	344		$	352
Accumulated Benefit Obligation at measurement date	$	289		$	296
Change in Fair Value of Plan Assets
Plan assets at prior measurement date	$	343		$	329
Employer contributions	10			10
Actual return on plan assets	—			18
Benefits paid	(1		)	(14		)
Impact of settlements	(6		)	—
Plan assets at measurement date	$	346		$	343
Funded status of plan	$	2		$	(9	)

Piedmont Natural Gas [Member] | Pension Plan [Member] | Nonqualified Plan [Member]



	Piedmont
	Two Months Ended		Years Ended October 31,
	December 31, 2016		2016		2015
Benefit Obligations
Discount rate	4.10	%	3.80	%	4.34	%
Salary increase	4.50	%	4.05	%	4.07	%
Net Periodic Benefit Cost
Discount rate	3.80	%	4.34	%	4.13	%
Salary increase	4.05	%	4.07	%	3.68	%
Expected long-term rate of return on plan assets	6.75	%	7.25	%	7.50	%

Reconciliation of Funded Status to Net Amount Recognized



	Piedmont
	Years Ended October 31,
(in millions)	2016		2015
Amortization of prior service cost	$	—	$	1
Settlement charge	1		—
Net periodic pension costs	$	1	$	1



	Piedmont
	Two Months Ended			Years Ended
(in millions)	December 31, 2016			October 31, 2016
Change in Projected Benefit Obligation
Obligation at prior measurement date	$	5		$	6
Actuarial gain	(1		)	—
Impact of settlements	—			(1		)
Obligation at measurement date	$	4		$	5
Accumulated Benefit Obligation at measurement date	$	—		$	5
Change in Fair Value of Plan Assets
Plan assets at prior measurement date	$	—		$	1
Impact of settlements	—			(1		)
Plan assets at measurement date	$	—		$	—

Piedmont Natural Gas [Member] | Other Post-Retirement Benefit Plans [Member]



	Piedmont
	Two Months Ended		Years Ended October 31,
	December 31, 2016		2016		2015
Benefit Obligations
Discount rate	4.10	%	3.80	%	3.85	%
Net Periodic Benefit Cost
Discount rate	3.80	%	3.85	%	3.69	%