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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Defined Benefit Plan Disclosure [Line Items] |
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| Document Fiscal Year Focus |
2013
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| Health care cost trends, initial annual rate increase |
7.00%
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| Health care cost trends, an ultimate trend rate |
5.00%
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| Expected year when ultimate trend rate to be reached |
2018
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| Accumulated benefit obligation for pension plans |
$ 28,586
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$ 30,350
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| Employer contributions |
212
|
|
917
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|
1,436
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| Fair value of plan assets |
27,510
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|
26,202
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| Plan assets target allocation |
100.00%
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|
100.00%
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Other Investments [Member] | Private Equity and Real Estate
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| Defined Benefit Plan Disclosure [Line Items] |
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| Unfunded commitments to limited partnerships |
858
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Other Investments [Member] | Private Equity and Real Estate | Minimum
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| Defined Benefit Plan Disclosure [Line Items] |
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| Redemption notice period, lower limit |
12 years
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Other Investments [Member] | Private Equity and Real Estate | Maximum
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| Defined Benefit Plan Disclosure [Line Items] |
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| Redemption notice period, upper limit |
18 years
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U.S. Postretirement Medical Benefits
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
355
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460
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U.S. Postretirement Medical Benefits | Minimum
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| Defined Benefit Plan Disclosure [Line Items] |
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| Postretirement medical plans service minimum eligibility year |
10 years
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| Postretirement medical plans service minimum eligibility age |
55 years
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Employee Defined Contribution Plans
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| Defined Benefit Plan Disclosure [Line Items] |
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| Contributions charged to expense |
90
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83
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80
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Defined Contribution Money Purchase Plans
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| Defined Benefit Plan Disclosure [Line Items] |
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| Contributions charged to expense |
80
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80
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76
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Pension Benefits
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| Defined Benefit Plan Disclosure [Line Items] |
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| Employer contributions |
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|
16
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Postretirement Medical Benefits
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| Defined Benefit Plan Disclosure [Line Items] |
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| Employer contributions |
108
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|
110
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International Pension Benefits
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
931
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|
801
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Domestic
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
26,579
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25,401
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Domestic | Cash and Cash Equivalents [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
0.00%
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0.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
5.00%
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|
5.00%
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| Fair value of plan assets |
626
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242
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International [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
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| Fair value of plan assets |
931
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|
801
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International [Member] | Cash and Cash Equivalents [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
0.00%
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0.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
5.00%
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5.00%
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| Fair value of plan assets |
28
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22
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Fixed Income Securities [Member] | Domestic
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
15.00%
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25.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
35.00%
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35.00%
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| Fair value of plan assets |
7,877
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8,251
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Fixed Income Securities [Member] | International [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
15.00%
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15.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
35.00%
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35.00%
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| Fair value of plan assets |
239
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|
219
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Equity Securities [Member] | Domestic
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
25.00%
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35.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
55.00%
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55.00%
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| Fair value of plan assets |
10,462
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|
9,852
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Equity Securities [Member] | International [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
50.00%
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50.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
65.00%
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65.00%
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| Fair value of plan assets |
422
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|
341
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Other Investments [Member] | Domestic | Hedge Funds
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
8.00%
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5.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
15.00%
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15.00%
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| Fair value of plan assets |
3,738
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|
2,829
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Other Investments [Member] | Domestic | Other
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
1.00%
|
[1] |
1.00%
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[1] |
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
10.00%
|
[1] |
10.00%
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[1] |
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| Fair value of plan assets |
756
|
[1] |
1,362
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[1] |
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Other Investments [Member] | Domestic | Structured Products(1)
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Defined Benefit Plan, Actual Plan Asset Allocations |
3.00%
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|
1.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
10.00%
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|
10.00%
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| Fair value of plan assets |
1,397
|
|
1,239
|
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|
Other Investments [Member] | Domestic | Structured Products [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Defined Benefit Plan, Actual Plan Asset Allocations |
0.00%
|
[2] |
0.00%
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[2] |
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
5.00%
|
[2] |
5.00%
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[2] |
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| Fair value of plan assets |
326
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[2] |
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Other Investments [Member] | International [Member] | Other
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
0.00%
|
[1] |
0.00%
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[1] |
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
20.00%
|
[1] |
20.00%
|
[1] |
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| Fair value of plan assets |
124
|
[1] |
124
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[1] |
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Other Investments [Member] | International [Member] | Structured Products(1)
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| Defined Benefit Plan Disclosure [Line Items] |
|
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| Defined Benefit Plan, Actual Plan Asset Allocations |
0.00%
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0.00%
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
17.00%
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|
17.00%
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| Fair value of plan assets |
$ 63
|
|
$ 46
|
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Other Investments [Member] | International [Member] | Structured Products [Member]
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| Defined Benefit Plan Disclosure [Line Items] |
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| Defined Benefit Plan, Actual Plan Asset Allocations |
0.00%
|
[2] |
0.00%
|
[2] |
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| Defined Benefit Plan, Target Plan Asset Allocations Range Maximum |
10.00%
|
[2] |
10.00%
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[2] |
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