v3.19.3.a.u2

Debt (Consolidated Debt) (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2019 | Feb. 11, 2019
Debt Instrument [Line Items] |  |  |  |
Short-term Debt, Refinanced, Amount |  | $ 490,000,000.0 |  |
Debt Instrument, Face Amount |  | 4,300,000,000 | $ 4,750,000,000 |
Debt Issuance Costs, Net | [1] | (27,070,000) | (35,263,000) |
Debt Instrument, Unamortized Discount (Premium), Net | [1] | (2,927,000) | (8,662,000) |
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge | [1] | 866,000 | 0 |
Long-term Debt |  | 4,270,869,000 | 4,706,075,000 |
Current portion of long-term debt, net |  | 59,489,000 | 0 |
Long-term Debt, Excluding Current Maturities |  | 4,211,380,000 | 4,706,075,000 |
6.55% Notes Due 2019 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 550,000,000 | $ 0 | $ 550,000,000.0
Debt Instrument, Interest Rate, Stated Percentage |  |  | 6.55% | 6.55%
4.25% Notes Due 2021 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 550,000,000 | $ 550,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.25% |
3.20% Notes Due 2025 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 250,000,000 | $ 250,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 3.20% |
5.00% Notes Due 2046 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 650,000,000 | $ 650,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 5.00% |
6.40% Notes Due 2037 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 250,000,000 | $ 250,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 6.40% |
4.20% Notes Due 2042 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 250,000,000 | $ 250,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.20% |
5.15% Notes Due 2043 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 550,000,000 | $ 550,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 5.15% |
4.20% Notes Due 2045 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 250,000,000 | $ 250,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.20% |
4.25% Notes Due 2046 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 500,000,000 | $ 500,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.25% |
4.20% Notes Due 2047 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 500,000,000 | $ 500,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.20% |
4.85% Notes Due 2049 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 0 | $ 500,000,000.0 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.85% |
3.95% Notes due 2050 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 0 | $ 500,000,000.0 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 3.95% |
Line of Credit [Member] | Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 0 | $ 0 |
[1] | Debt issuance costs, note discounts and premiums and realized gains and losses of historical fair value hedges are being amortized or accreted to the applicable notes over the respective lives of those notes.

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