Fair Value Fair Value - Debt (Details) - USD ($)		9 Months Ended
	Nov. 10, 2017	Aug. 04, 2018	Oct. 28, 2017
3-Year term loan | Unsecured debt term
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt term	3 years	3 years
5-Year term loan | Unsecured debt term
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt term	5 years	5 years
Long-term Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		$ 6,600,000,000	$ 7,900,000,000
Fair Value		6,513,982,000	8,010,183,000
Long-term Debt | 3-Year term loan | Unsecured debt term
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		650,000,000	1,950,000,000
Fair Value		650,000,000	1,950,000,000
Long-term Debt | 5-Year term loan | Unsecured debt term
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		1,350,000,000	2,100,000,000
Fair Value		1,350,000,000	2,100,000,000
Long-term Debt | 2020 Notes, due March 2020 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		300,000,000	0
Fair Value		298,249,000	0
Long-term Debt | 2021 Notes, due January 2021 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		450,000,000	0
Fair Value		445,787,000	0
Long-term Debt | 2021 Notes, due December 2021 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		400,000,000	400,000,000
Fair Value		387,341,000	399,530,000
Long-term Debt | 2023 Notes, due June 2023 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		500,000,000	500,000,000
Fair Value		483,362,000	498,582,000
Long-term Debt | 2023 Notes, due December 2023 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		550,000,000	550,000,000
Fair Value		533,412,000	554,411,000
Long-term Debt | 2025 Notes, due December 2025 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		850,000,000	850,000,000
Fair Value		839,784,000	884,861,000
Long-term Debt | 2026 Notes, due December 2026 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		900,000,000	900,000,000
Fair Value		857,858,000	902,769,000
Long-term Debt | 2036 Notes, due December 2036 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		250,000,000	250,000,000
Fair Value		243,616,000	259,442,000
Long-term Debt | 2045 Notes, due December 2045 | Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal		400,000,000	400,000,000
Fair Value		$ 424,573,000	$ 460,588,000