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v3.10.0.1

Debt (Narrative) (Details) | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2018 USD ($) | Jun. 30, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 JPY (¥) | Sep. 30, 2017 JPY (¥)
Fair value of long-term debt | $ 6,000,000,000 |  | $ 5,100,000,000 |  | $ 6,000,000,000 | $ 5,100,000,000 |  |  |
Long-term debt | 5,994,000,000 |  | 4,749,000,000 |  | 5,994,000,000 | 4,749,000,000 |  |  |
Proceeds from Issuance of Unsecured Debt | 889,000,000 | $ 596,000,000 |  | $ 700,000,000 | 1,485,000,000 | 1,445,000,000 |  |  |
4.70% Note 19 Years Term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 50,000,000 |  |  |  | $ 50,000,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.70% |  |  |  | 4.70% |  |  |  |
Debt Instrument, Term | 19 years |  |  |  |  |  |  |  |
5.35% Note 30 Years Term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 550,000,000 |  |  |  | $ 550,000,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.35% |  |  |  | 5.35% |  |  |  |
Debt Instrument, Term | 30 years |  |  |  |  |  |  |  |
5.85% Note 50 Years Term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 300,000,000 |  |  |  | $ 300,000,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.85% |  |  |  | 5.85% |  |  |  |
Debt Instrument, Term | 50 years |  |  |  |  |  |  |  |
0.698% Note 7 year term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  |  | ¥ 21,000,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 0.698%
Debt Instrument, Term |  |  |  | 7 years |  |  |  |  |
0.992% Note 10 year term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  |  | ¥ 47,000,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 0.992%
Debt Instrument, Term |  |  |  | 10 years |  |  |  |  |
1.583% Note 20 year term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  |  | ¥ 10,000,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 1.583%
Debt Instrument, Term |  |  |  | 20 years |  |  |  |  |
0.722% Note 7 year term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  | ¥ 10,000,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  | 0.722% |
Debt Instrument, Term |  | 7 years |  |  |  |  |  |  |
1.043% Note 10 year term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  | ¥ 30,500,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  | 1.043% |
Debt Instrument, Term |  | 10 years |  |  |  |  |  |  |
1.219% Note 12 year term [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  | ¥ 25,000,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  | 1.219% |
Debt Instrument, Term |  | 12 years |  |  |  |  |  |  |
Debentures, 4.375%, due 2057 [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 750,000,000 |  |  | $ 750,000,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.375% |  | 4.375% |  | 4.375% | 4.375% |  |  |
Debt Instrument, Maturity Date |  |  | Nov. 15, 2057 |  |  |  |  |  |
Proceeds from Issuance of Unsecured Debt |  |  | $ 743,000,000 |  |  |  |  |  |
6.625% Due 2019 [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.625% |  |  |  | 6.625% |  |  |  |
Repayment of long-term debt | $ 250,000,000 |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Amended Credit Facility [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 1,500,000,000 |  |
Line of Credit Facility, Expiration Date |  |  |  |  | Aug. 15, 2023 |  |  |  |
Line of credit outstanding | 0 |  |  |  | $ 0 |  |  |  |
Commercial Paper [Member] |  |  |  |  |  |  |  |  |
Line of credit outstanding | $ 0 |  | $ 0 |  | $ 0 | $ 0 |  |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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