Pension and Postretirement Benefit Plans (Components of net periodic benefit cost and other information) (Details 5) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
United States Qualified and Non-qualified Pension Benefits
Benefit Plan Information
Total, before other items to reconcile	$ 14,818	$ 13,895
Other items to reconcile to fair value of plan assets	(175)	(6)
Fair value of plan assets	14,643	13,889	13,781
United States Qualified and Non-qualified Pension Benefits | Level 1
Benefit Plan Information
Total, before other items to reconcile	4,367	4,182
United States Qualified and Non-qualified Pension Benefits | Level 2
Benefit Plan Information
Total, before other items to reconcile	6,574	6,229
United States Qualified and Non-qualified Pension Benefits | Level 3
Benefit Plan Information
Total, before other items to reconcile	3,877	3,484	3,531
United States Qualified and Non-qualified Pension Benefits | Equities
Benefit Plan Information
Total, before other items to reconcile	3,587	3,538
United States Qualified and Non-qualified Pension Benefits | Equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	2,980	2,919
United States Qualified and Non-qualified Pension Benefits | Equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	223	222
United States Qualified and Non-qualified Pension Benefits | Equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	384	397	421
United States Qualified and Non-qualified Pension Benefits | U.S. equities
Benefit Plan Information
Total, before other items to reconcile	1,769	1,601
United States Qualified and Non-qualified Pension Benefits | U.S. equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	1,766	1,595
United States Qualified and Non-qualified Pension Benefits | U.S. equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	3	3
United States Qualified and Non-qualified Pension Benefits | U.S. equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	3
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities
Benefit Plan Information
Total, before other items to reconcile	1,215	1,325
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	1,214	1,324
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	1	1
United States Qualified and Non-qualified Pension Benefits | Non-U.S. equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Index funds
Benefit Plan Information
Total, before other items to reconcile	150	152
United States Qualified and Non-qualified Pension Benefits | Index funds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Index funds | Level 2
Benefit Plan Information
Total, before other items to reconcile	148	151
United States Qualified and Non-qualified Pension Benefits | Index funds | Level 3
Benefit Plan Information
Total, before other items to reconcile	2	1
United States Qualified and Non-qualified Pension Benefits | Long/short equity
Benefit Plan Information
Total, before other items to reconcile	453	460
United States Qualified and Non-qualified Pension Benefits | Long/short equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Long/short equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	71	67
United States Qualified and Non-qualified Pension Benefits | Long/short equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	382	393
United States Qualified and Non-qualified Pension Benefits | Fixed income
Benefit Plan Information
Total, before other items to reconcile	5,652	4,670
United States Qualified and Non-qualified Pension Benefits | Fixed income | Level 1
Benefit Plan Information
Total, before other items to reconcile	1,059	941
United States Qualified and Non-qualified Pension Benefits | Fixed income | Level 2
Benefit Plan Information
Total, before other items to reconcile	4,593	3,727
United States Qualified and Non-qualified Pension Benefits | Fixed income | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	2	2
United States Qualified and Non-qualified Pension Benefits | U.S. government securities
Benefit Plan Information
Total, before other items to reconcile	1,622	1,509
United States Qualified and Non-qualified Pension Benefits | U.S. government securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	1,032	908
United States Qualified and Non-qualified Pension Benefits | U.S. government securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	590	601
United States Qualified and Non-qualified Pension Benefits | U.S. government securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities
Benefit Plan Information
Total, before other items to reconcile	3	4
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	3	0
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	4
United States Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds
Benefit Plan Information
Total, before other items to reconcile	2,558	2,060
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | Level 1
Benefit Plan Information
Total, before other items to reconcile	8	14
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | Level 2
Benefit Plan Information
Total, before other items to reconcile	2,550	2,046
United States Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds
Benefit Plan Information
Total, before other items to reconcile	478	412
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | Level 2
Benefit Plan Information
Total, before other items to reconcile	478	412
United States Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities
Benefit Plan Information
Total, before other items to reconcile	388	336
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	7	20
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	381	316
United States Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities
Benefit Plan Information
Total, before other items to reconcile	20	26
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	20	26
United States Qualified and Non-qualified Pension Benefits | Asset-backed securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations
Benefit Plan Information
Total, before other items to reconcile	29	28
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations | Level 2
Benefit Plan Information
Total, before other items to reconcile	29	28
United States Qualified and Non-qualified Pension Benefits | Collateralized mortgage obligations | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Other securities
Benefit Plan Information
Total, before other items to reconcile	31	37
United States Qualified and Non-qualified Pension Benefits | Other securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Other securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	31	37
United States Qualified and Non-qualified Pension Benefits | Other securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Private placements
Benefit Plan Information
Total, before other items to reconcile	391	253
United States Qualified and Non-qualified Pension Benefits | Private placements | Level 1
Benefit Plan Information
Total, before other items to reconcile	3	0
United States Qualified and Non-qualified Pension Benefits | Private placements | Level 2
Benefit Plan Information
Total, before other items to reconcile	388	251
United States Qualified and Non-qualified Pension Benefits | Private placements | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	2
United States Qualified and Non-qualified Pension Benefits | Derivative instruments
Benefit Plan Information
Total, before other items to reconcile	132	5
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 1
Benefit Plan Information
Total, before other items to reconcile	6	(1)
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 2
Benefit Plan Information
Total, before other items to reconcile	126	6
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Private equity
Benefit Plan Information
Total, before other items to reconcile	2,502	2,448
United States Qualified and Non-qualified Pension Benefits | Private equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	15	21
United States Qualified and Non-qualified Pension Benefits | Private equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Private equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	2,487	2,427	2,136
United States Qualified and Non-qualified Pension Benefits | Buyouts
Benefit Plan Information
Total, before other items to reconcile	700	737
United States Qualified and Non-qualified Pension Benefits | Buyouts | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Buyouts | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Buyouts | Level 3
Benefit Plan Information
Total, before other items to reconcile	700	737
United States Qualified and Non-qualified Pension Benefits | Derivative instruments
Benefit Plan Information
Total, before other items to reconcile	(74)	(97)
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Derivative instruments | Level 3
Benefit Plan Information
Total, before other items to reconcile	(74)	(97)
United States Qualified and Non-qualified Pension Benefits | Direct investments
Benefit Plan Information
Total, before other items to reconcile	516	467
United States Qualified and Non-qualified Pension Benefits | Direct investments | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Direct investments | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Direct investments | Level 3
Benefit Plan Information
Total, before other items to reconcile	516	467
United States Qualified and Non-qualified Pension Benefits | Distressed debt
Benefit Plan Information
Total, before other items to reconcile	202	211
United States Qualified and Non-qualified Pension Benefits | Distressed debt | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Distressed debt | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Distressed debt | Level 3
Benefit Plan Information
Total, before other items to reconcile	202	211
United States Qualified and Non-qualified Pension Benefits | Growth equity
Benefit Plan Information
Total, before other items to reconcile	198	191
United States Qualified and Non-qualified Pension Benefits | Growth equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	15	21
United States Qualified and Non-qualified Pension Benefits | Growth equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Growth equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	183	170
United States Qualified and Non-qualified Pension Benefits | Mezzanine
Benefit Plan Information
Total, before other items to reconcile	116	83
United States Qualified and Non-qualified Pension Benefits | Mezzanine | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Mezzanine | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Mezzanine | Level 3
Benefit Plan Information
Total, before other items to reconcile	116	83
United States Qualified and Non-qualified Pension Benefits | Real estate
Benefit Plan Information
Total, before other items to reconcile	147	156
United States Qualified and Non-qualified Pension Benefits | Real estate | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Real estate | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Real estate | Level 3
Benefit Plan Information
Total, before other items to reconcile	147	156
United States Qualified and Non-qualified Pension Benefits | Secondary
Benefit Plan Information
Total, before other items to reconcile	145	152
United States Qualified and Non-qualified Pension Benefits | Secondary | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Secondary | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Secondary | Level 3
Benefit Plan Information
Total, before other items to reconcile	145	152
United States Qualified and Non-qualified Pension Benefits | Venture capital
Benefit Plan Information
Total, before other items to reconcile	552	548
United States Qualified and Non-qualified Pension Benefits | Venture capital | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Venture capital | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Venture capital | Level 3
Benefit Plan Information
Total, before other items to reconcile	552	548
United States Qualified and Non-qualified Pension Benefits | Absolute return
Benefit Plan Information
Total, before other items to reconcile	2,173	1,833
United States Qualified and Non-qualified Pension Benefits | Absolute return | Level 1
Benefit Plan Information
Total, before other items to reconcile	26	0
United States Qualified and Non-qualified Pension Benefits | Absolute return | Level 2
Benefit Plan Information
Total, before other items to reconcile	1,141	1,175
United States Qualified and Non-qualified Pension Benefits | Absolute return | Level 3
Benefit Plan Information
Total, before other items to reconcile	1,006	658	865
United States Qualified and Non-qualified Pension Benefits | Commodities
Benefit Plan Information
Total, before other items to reconcile	0	88
United States Qualified and Non-qualified Pension Benefits | Commodities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
United States Qualified and Non-qualified Pension Benefits | Commodities | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	88
United States Qualified and Non-qualified Pension Benefits | Commodities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0	107
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents
Benefit Plan Information
Total, before other items to reconcile	904	1,318
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 1
Benefit Plan Information
Total, before other items to reconcile	287	301
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 2
Benefit Plan Information
Total, before other items to reconcile	617	1,017
United States Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits
Benefit Plan Information
Total, before other items to reconcile	5,998	5,757
Other items to reconcile to fair value of plan assets	(41)	1
Fair value of plan assets	5,957	5,758	5,222
International Qualified and Non-qualified Pension Benefits | Level 1
Benefit Plan Information
Total, before other items to reconcile	1,583	1,750
International Qualified and Non-qualified Pension Benefits | Level 2
Benefit Plan Information
Total, before other items to reconcile	3,813	3,340
International Qualified and Non-qualified Pension Benefits | Level 3
Benefit Plan Information
Total, before other items to reconcile	602	667	597
International Qualified and Non-qualified Pension Benefits | Equities
Benefit Plan Information
Total, before other items to reconcile	2,131	2,282
International Qualified and Non-qualified Pension Benefits | Equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	1,286	1,405
International Qualified and Non-qualified Pension Benefits | Equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	841	872
International Qualified and Non-qualified Pension Benefits | Equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	4	5	5
International Qualified and Non-qualified Pension Benefits | Growth equities
Benefit Plan Information
Total, before other items to reconcile	848	923
International Qualified and Non-qualified Pension Benefits | Growth equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	672	733
International Qualified and Non-qualified Pension Benefits | Growth equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	176	190
International Qualified and Non-qualified Pension Benefits | Growth equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Value equities
Benefit Plan Information
Total, before other items to reconcile	618	667
International Qualified and Non-qualified Pension Benefits | Value equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	595	653
International Qualified and Non-qualified Pension Benefits | Value equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	23	14
International Qualified and Non-qualified Pension Benefits | Value equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Core equities
Benefit Plan Information
Total, before other items to reconcile	665	692
International Qualified and Non-qualified Pension Benefits | Core equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	19	19
International Qualified and Non-qualified Pension Benefits | Core equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	642	668
International Qualified and Non-qualified Pension Benefits | Core equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	4	5
International Qualified and Non-qualified Pension Benefits | Fixed income
Benefit Plan Information
Total, before other items to reconcile	2,915	2,565
International Qualified and Non-qualified Pension Benefits | Fixed income | Level 1
Benefit Plan Information
Total, before other items to reconcile	133	228
International Qualified and Non-qualified Pension Benefits | Fixed income | Level 2
Benefit Plan Information
Total, before other items to reconcile	2,763	2,300
International Qualified and Non-qualified Pension Benefits | Fixed income | Level 3
Benefit Plan Information
Total, before other items to reconcile	19	37	36
International Qualified and Non-qualified Pension Benefits | Domestic government debt
Benefit Plan Information
Total, before other items to reconcile	632	741
International Qualified and Non-qualified Pension Benefits | Domestic government debt | Level 1
Benefit Plan Information
Total, before other items to reconcile	87	199
International Qualified and Non-qualified Pension Benefits | Domestic government debt | Level 2
Benefit Plan Information
Total, before other items to reconcile	542	539
International Qualified and Non-qualified Pension Benefits | Domestic government debt | Level 3
Benefit Plan Information
Total, before other items to reconcile	3	3
International Qualified and Non-qualified Pension Benefits | Foreign government debt
Benefit Plan Information
Total, before other items to reconcile	861	686
International Qualified and Non-qualified Pension Benefits | Foreign government debt | Level 1
Benefit Plan Information
Total, before other items to reconcile	45	28
International Qualified and Non-qualified Pension Benefits | Foreign government debt | Level 2
Benefit Plan Information
Total, before other items to reconcile	816	657
International Qualified and Non-qualified Pension Benefits | Foreign government debt | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	1
International Qualified and Non-qualified Pension Benefits | Corporate debt securities
Benefit Plan Information
Total, before other items to reconcile	621	659
International Qualified and Non-qualified Pension Benefits | Corporate debt securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	1	1
International Qualified and Non-qualified Pension Benefits | Corporate debt securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	615	638
International Qualified and Non-qualified Pension Benefits | Corporate debt securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	5	20
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt
Benefit Plan Information
Total, before other items to reconcile	82	75
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt | Level 2
Benefit Plan Information
Total, before other items to reconcile	82	75
International Qualified and Non-qualified Pension Benefits | Mortgage backed debt | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Other - debt obligations
Benefit Plan Information
Total, before other items to reconcile	719	404
International Qualified and Non-qualified Pension Benefits | Other - debt obligations | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Other - debt obligations | Level 2
Benefit Plan Information
Total, before other items to reconcile	708	391
International Qualified and Non-qualified Pension Benefits | Other - debt obligations | Level 3
Benefit Plan Information
Total, before other items to reconcile	11	13
International Qualified and Non-qualified Pension Benefits | Private equity
Benefit Plan Information
Total, before other items to reconcile	154	165
International Qualified and Non-qualified Pension Benefits | Private equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	3	3
International Qualified and Non-qualified Pension Benefits | Private equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	73	87
International Qualified and Non-qualified Pension Benefits | Private equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	78	75	71
International Qualified and Non-qualified Pension Benefits | Private equity funds
Benefit Plan Information
Total, before other items to reconcile	23	22
International Qualified and Non-qualified Pension Benefits | Private equity funds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Private equity funds | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Private equity funds | Level 3
Benefit Plan Information
Total, before other items to reconcile	23	22
International Qualified and Non-qualified Pension Benefits | Real estate
Benefit Plan Information
Total, before other items to reconcile	131	143
International Qualified and Non-qualified Pension Benefits | Real estate | Level 1
Benefit Plan Information
Total, before other items to reconcile	3	3
International Qualified and Non-qualified Pension Benefits | Real estate | Level 2
Benefit Plan Information
Total, before other items to reconcile	73	87
International Qualified and Non-qualified Pension Benefits | Real estate | Level 3
Benefit Plan Information
Total, before other items to reconcile	55	53
International Qualified and Non-qualified Pension Benefits | Absolute return
Benefit Plan Information
Total, before other items to reconcile	605	619
International Qualified and Non-qualified Pension Benefits | Absolute return | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	2
International Qualified and Non-qualified Pension Benefits | Absolute return | Level 2
Benefit Plan Information
Total, before other items to reconcile	104	67
International Qualified and Non-qualified Pension Benefits | Absolute return | Level 3
Benefit Plan Information
Total, before other items to reconcile	501	550	485
International Qualified and Non-qualified Pension Benefits | Hedge funds
Benefit Plan Information
Total, before other items to reconcile	117	118
International Qualified and Non-qualified Pension Benefits | Hedge funds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Hedge funds | Level 2
Benefit Plan Information
Total, before other items to reconcile	95	62
International Qualified and Non-qualified Pension Benefits | Hedge funds | Level 3
Benefit Plan Information
Total, before other items to reconcile	22	56
International Qualified and Non-qualified Pension Benefits | Insurance
Benefit Plan Information
Total, before other items to reconcile	476	492
International Qualified and Non-qualified Pension Benefits | Insurance | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Insurance | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Insurance | Level 3
Benefit Plan Information
Total, before other items to reconcile	476	492
International Qualified and Non-qualified Pension Benefits | Derivatives - absolute return
Benefit Plan Information
Total, before other items to reconcile	(4)	5
International Qualified and Non-qualified Pension Benefits | Derivatives - absolute return | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	2
International Qualified and Non-qualified Pension Benefits | Derivatives - absolute return | Level 2
Benefit Plan Information
Total, before other items to reconcile	(4)	3
International Qualified and Non-qualified Pension Benefits | Derivatives - absolute return | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Other - absolute return
Benefit Plan Information
Total, before other items to reconcile	16	4
International Qualified and Non-qualified Pension Benefits | Other - absolute return | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
International Qualified and Non-qualified Pension Benefits | Other - absolute return | Level 2
Benefit Plan Information
Total, before other items to reconcile	13	2
International Qualified and Non-qualified Pension Benefits | Other - absolute return | Level 3
Benefit Plan Information
Total, before other items to reconcile	3	2
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents
Benefit Plan Information
Total, before other items to reconcile	193	126
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 1
Benefit Plan Information
Total, before other items to reconcile	161	112
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 2
Benefit Plan Information
Total, before other items to reconcile	32	14
International Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits
Benefit Plan Information
Total, before other items to reconcile	1,428	1,394
Other items to reconcile to fair value of plan assets	8	11
Fair value of plan assets	1,436	1,405	1,321
Postretirement Benefits | Level 1
Benefit Plan Information
Total, before other items to reconcile	724	709
Postretirement Benefits | Level 2
Benefit Plan Information
Total, before other items to reconcile	494	482
Postretirement Benefits | Level 3
Benefit Plan Information
Total, before other items to reconcile	210	203	218
Postretirement Benefits | Equities
Benefit Plan Information
Total, before other items to reconcile	676	670
Postretirement Benefits | Equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	621	610
Postretirement Benefits | Equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	41	44
Postretirement Benefits | Equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	14	16	16
Postretirement Benefits | U.S. equities
Benefit Plan Information
Total, before other items to reconcile	565	552
Postretirement Benefits | U.S. equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	565	552
Postretirement Benefits | U.S. equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | U.S. equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Non-U.S. equities
Benefit Plan Information
Total, before other items to reconcile	56	58
Postretirement Benefits | Non-U.S. equities | Level 1
Benefit Plan Information
Total, before other items to reconcile	56	58
Postretirement Benefits | Non-U.S. equities | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Non-U.S. equities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Index funds
Benefit Plan Information
Total, before other items to reconcile	38	44
Postretirement Benefits | Index funds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Index funds | Level 2
Benefit Plan Information
Total, before other items to reconcile	38	44
Postretirement Benefits | Index funds | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Long/short equity
Benefit Plan Information
Total, before other items to reconcile	17	16
Postretirement Benefits | Long/short equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Long/short equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	3	0
Postretirement Benefits | Long/short equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	14	16
Postretirement Benefits | Fixed income
Benefit Plan Information
Total, before other items to reconcile	457	427
Postretirement Benefits | Fixed income | Level 1
Benefit Plan Information
Total, before other items to reconcile	68	63
Postretirement Benefits | Fixed income | Level 2
Benefit Plan Information
Total, before other items to reconcile	389	364
Postretirement Benefits | Fixed income | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0	0
Postretirement Benefits | U.S. government securities
Benefit Plan Information
Total, before other items to reconcile	254	264
Postretirement Benefits | U.S. government securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	68	62
Postretirement Benefits | U.S. government securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	186	202
Postretirement Benefits | U.S. government securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | U.S. corporate bonds
Benefit Plan Information
Total, before other items to reconcile	119	96
Postretirement Benefits | U.S. corporate bonds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | U.S. corporate bonds | Level 2
Benefit Plan Information
Total, before other items to reconcile	119	96
Postretirement Benefits | U.S. corporate bonds | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Non-U.S. corporate bonds
Benefit Plan Information
Total, before other items to reconcile	24	21
Postretirement Benefits | Non-U.S. corporate bonds | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Non-U.S. corporate bonds | Level 2
Benefit Plan Information
Total, before other items to reconcile	24	21
Postretirement Benefits | Non-U.S. corporate bonds | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Non-U.S. government securities
Benefit Plan Information
Total, before other items to reconcile	17	15
Postretirement Benefits | Non-U.S. government securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	1
Postretirement Benefits | Non-U.S. government securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	17	14
Postretirement Benefits | Non-U.S. government securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Asset-backed securities
Benefit Plan Information
Total, before other items to reconcile	7	9
Postretirement Benefits | Asset-backed securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Asset-backed securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	7	9
Postretirement Benefits | Asset-backed securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Collateralized mortgage obligations
Benefit Plan Information
Total, before other items to reconcile	5	5
Postretirement Benefits | Collateralized mortgage obligations | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Collateralized mortgage obligations | Level 2
Benefit Plan Information
Total, before other items to reconcile	5	5
Postretirement Benefits | Collateralized mortgage obligations | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Other securities
Benefit Plan Information
Total, before other items to reconcile	1	1
Postretirement Benefits | Other securities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Other securities | Level 2
Benefit Plan Information
Total, before other items to reconcile	1	1
Postretirement Benefits | Other securities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Private placements
Benefit Plan Information
Total, before other items to reconcile	25	16
Postretirement Benefits | Private placements | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Private placements | Level 2
Benefit Plan Information
Total, before other items to reconcile	25	16
Postretirement Benefits | Private placements | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Derivative instruments
Benefit Plan Information
Total, before other items to reconcile	5	0
Postretirement Benefits | Derivative instruments | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Derivative instruments | Level 2
Benefit Plan Information
Total, before other items to reconcile	5	0
Postretirement Benefits | Derivative instruments | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Private equity
Benefit Plan Information
Total, before other items to reconcile	160	162
Postretirement Benefits | Private equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	1	1
Postretirement Benefits | Private equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Private equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	159	161	170
Postretirement Benefits | Buyouts
Benefit Plan Information
Total, before other items to reconcile	56	58
Postretirement Benefits | Buyouts | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Buyouts | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Buyouts | Level 3
Benefit Plan Information
Total, before other items to reconcile	56	58
Postretirement Benefits | Derivative instruments
Benefit Plan Information
Total, before other items to reconcile	(3)	(3)
Postretirement Benefits | Derivative instruments | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Derivative instruments | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Derivative instruments | Level 3
Benefit Plan Information
Total, before other items to reconcile	(3)	(3)
Postretirement Benefits | Direct investments
Benefit Plan Information
Total, before other items to reconcile	19	16
Postretirement Benefits | Direct investments | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Direct investments | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Direct investments | Level 3
Benefit Plan Information
Total, before other items to reconcile	19	16
Postretirement Benefits | Distressed debt
Benefit Plan Information
Total, before other items to reconcile	8	7
Postretirement Benefits | Distressed debt | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Distressed debt | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Distressed debt | Level 3
Benefit Plan Information
Total, before other items to reconcile	8	7
Postretirement Benefits | Growth equity
Benefit Plan Information
Total, before other items to reconcile	8	7
Postretirement Benefits | Growth equity | Level 1
Benefit Plan Information
Total, before other items to reconcile	1	1
Postretirement Benefits | Growth equity | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Growth equity | Level 3
Benefit Plan Information
Total, before other items to reconcile	7	6
Postretirement Benefits | Mezzanine
Benefit Plan Information
Total, before other items to reconcile	4	3
Postretirement Benefits | Mezzanine | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Mezzanine | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Mezzanine | Level 3
Benefit Plan Information
Total, before other items to reconcile	4	3
Postretirement Benefits | Real estate
Benefit Plan Information
Total, before other items to reconcile	5	5
Postretirement Benefits | Real estate | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Real estate | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Real estate | Level 3
Benefit Plan Information
Total, before other items to reconcile	5	5
Postretirement Benefits | Secondary
Benefit Plan Information
Total, before other items to reconcile	5	5
Postretirement Benefits | Secondary | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Secondary | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Secondary | Level 3
Benefit Plan Information
Total, before other items to reconcile	5	5
Postretirement Benefits | Venture capital
Benefit Plan Information
Total, before other items to reconcile	58	64
Postretirement Benefits | Venture capital | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Venture capital | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Venture capital | Level 3
Benefit Plan Information
Total, before other items to reconcile	58	64
Postretirement Benefits | Absolute return
Benefit Plan Information
Total, before other items to reconcile	79	63
Postretirement Benefits | Absolute return | Level 1
Benefit Plan Information
Total, before other items to reconcile	1	0
Postretirement Benefits | Absolute return | Level 2
Benefit Plan Information
Total, before other items to reconcile	41	37
Postretirement Benefits | Absolute return | Level 3
Benefit Plan Information
Total, before other items to reconcile	37	26	28
Postretirement Benefits | Commodities
Benefit Plan Information
Total, before other items to reconcile	0	3
Postretirement Benefits | Commodities | Level 1
Benefit Plan Information
Total, before other items to reconcile	0	0
Postretirement Benefits | Commodities | Level 2
Benefit Plan Information
Total, before other items to reconcile	0	3
Postretirement Benefits | Commodities | Level 3
Benefit Plan Information
Total, before other items to reconcile	0	0	4
Postretirement Benefits | Cash and Cash Equivalents
Benefit Plan Information
Total, before other items to reconcile	56	69
Postretirement Benefits | Cash and Cash Equivalents | Level 1
Benefit Plan Information
Total, before other items to reconcile	33	35
Postretirement Benefits | Cash and Cash Equivalents | Level 2
Benefit Plan Information
Total, before other items to reconcile	23	34
Postretirement Benefits | Cash and Cash Equivalents | Level 3
Benefit Plan Information
Total, before other items to reconcile	$ 0	$ 0