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Employee Benefit Plans - Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | $ 129 | $ 143 | $ 134
U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 8,532 | 9,948 |
U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 2,965 | 3,663 |
U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,758 | 1,909 |
U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 49 | 54 |
U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 3,760 | 4,322 |
Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 4,142 | 4,766 |
Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,441 | 1,799 |
Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 642 | 912 |
Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 80 | 89 |
Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,979 | 1,966 |
U.S. | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,110 | 1,331 |
U.S. | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,110 | 1,331 |
U.S. | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
U.S. | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
U.S. | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
U.S. | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 520 | 652 |
U.S. | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 520 | 651 |
U.S. | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 1 |
U.S. | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
U.S. | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
International | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1 | 0 | 0
International | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,631 | 2,060 |
International | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,630 | 2,057 |
International | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1 | 3 |
International | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
International | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
International | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 521 | 691 |
International | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 520 | 691 |
International | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
International | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1 | 0 |
International | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 893 | 1,089 |
Collective Trusts/Mutual Funds | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 21 | 22 |
Collective Trusts/Mutual Funds | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 872 | 1,067 |
Collective Trusts/Mutual Funds | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 152 | 204 |
Collective Trusts/Mutual Funds | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 9 | 19 |
Collective Trusts/Mutual Funds | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 4 |
Collective Trusts/Mutual Funds | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 143 | 181 |
Government | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 225 | 274 |
Government | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Government | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 225 | 274 |
Government | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Government | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Government | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 254 | 296 |
Government | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 97 | 77 |
Government | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 157 | 219 |
Government | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Government | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Corporate | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 21 | 30 | 19
Corporate | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,382 | 1,492 |
Corporate | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Corporate | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,382 | 1,492 |
Corporate | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Corporate | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Corporate | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 409 | 593 |
Corporate | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Corporate | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 389 | 563 |
Corporate | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 20 | 30 |
Corporate | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 5 | 11 | 11
Bank Loans | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 119 | 117 |
Bank Loans | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 114 | 106 |
Bank Loans | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 5 | 11 |
Bank Loans | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Bank Loans | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mortgage/Asset Backed | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1 | 1 |
Mortgage/Asset Backed | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mortgage/Asset Backed | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1 | 1 |
Mortgage/Asset Backed | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mortgage/Asset Backed | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mortgage/Asset Backed | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 6 | 8 |
Mortgage/Asset Backed | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mortgage/Asset Backed | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 6 | 8 |
Mortgage/Asset Backed | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mortgage/Asset Backed | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 877 | 1,130 |
Collective Trusts/Mutual Funds | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 877 | 1,130 |
Collective Trusts/Mutual Funds | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,521 | 1,481 |
Collective Trusts/Mutual Funds | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 15 | 0 |
Collective Trusts/Mutual Funds | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 16 |
Collective Trusts/Mutual Funds | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Collective Trusts/Mutual Funds | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,506 | 1,465 |
Mixed Funds | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mixed Funds | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mixed Funds | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mixed Funds | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mixed Funds | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mixed Funds | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 74 | 80 |
Mixed Funds | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 3 | 1 |
Mixed Funds | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 71 | 79 |
Mixed Funds | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Mixed Funds | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Real Estate | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 56 | 56 | 60
Real Estate | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,065 | 1,096 |
Real Estate | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Real Estate | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Real Estate | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Real Estate | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 1,065 | 1,096 |
Real Estate | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 378 | 376 |
Real Estate | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Real Estate | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Real Estate | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 56 | 56 |
Real Estate | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 322 | 320 |
Alternative Investments | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 941 | 1,022 |
Alternative Investments | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 941 | 1,022 |
Alternative Investments | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Alternative Investments | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Cash and Cash Equivalents | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 212 | 260 |
Cash and Cash Equivalents | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 208 | 255 |
Cash and Cash Equivalents | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 4 | 5 |
Cash and Cash Equivalents | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Cash and Cash Equivalents | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Cash and Cash Equivalents | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 287 | 366 |
Cash and Cash Equivalents | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 277 | 362 |
Cash and Cash Equivalents | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 2 | 4 |
Cash and Cash Equivalents | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Cash and Cash Equivalents | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 8 | 0 |
Other | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 46 | 46 | $ 44
Other | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 76 | 76 |
Other | U.S. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | (4) | (2) |
Other | U.S. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 31 | 28 |
Other | U.S. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 44 | 43 |
Other | U.S. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 5 | 7 |
Other | Int’l. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 20 | 19 |
Other | Int’l. | Level 1 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | (2) |
Other | Int’l. | Level 2 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 17 | 18 |
Other | Int’l. | Level 3 |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 3 | 3 |
Other | Int’l. | Fair Value Measured at Net Asset Value Per Share [Member] |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | 0 | 0 |
Defined Benefit Plan, Equity Securities, Common Stock [Member] | U.S. |  |  |
Fair Value Measurements of Company's Pension Plans |  |  |
Fair value of plan assets | $ 9 | $ 12 |

X
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