v3.20.2
Debt - Issuances and Borrowings (Details) - USD ($)
6 Months Ended
Apr. 09, 2020
Jun. 30, 2020
Jun. 24, 2020
Debt Instrument [Line Items]      
Principal Issuances   $ 46,000,000,000  
Discounts and Issuance Costs   567,000,000  
Net Proceeds from Issuance of Long-Term Debt   45,433,000,000  
Senior Notes      
Debt Instrument [Line Items]      
Principal Issuances $ 19,000,000,000.0   $ 4,000,000,000.0
Net Proceeds from Issuance of Long-Term Debt $ 18,800,000,000    
3.500% Senior Secured Notes due 2025 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage 3.50%    
Principal Issuances   3,000,000,000  
Discounts and Issuance Costs   12,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 2,988,000,000  
3.750% Senior Secured Notes due 2027 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage   3.75%  
Principal Issuances   $ 4,000,000,000  
Discounts and Issuance Costs   17,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 3,983,000,000  
3.875% Senior Secured Notes due 2030 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage   3.875%  
Principal Issuances   $ 7,000,000,000  
Discounts and Issuance Costs   78,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 6,922,000,000  
4.375% Senior Secured Notes due 2040 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage   4.375%  
Principal Issuances   $ 2,000,000,000  
Discounts and Issuance Costs   47,000,000  
Net Proceeds from Issuance of Long-Term Debt   1,953,000,000  
4.500% Senior Secured Notes due 2050 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage 4.50%    
Principal Issuances   3,000,000,000  
Discounts and Issuance Costs   24,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 2,976,000,000  
1.500% Senior Secured Notes due 2026 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage   1.50%  
Principal Issuances   $ 1,000,000,000  
Discounts and Issuance Costs   5,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 995,000,000  
2.050% Senior Secured Notes due 2028 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage   2.05%  
Principal Issuances   $ 1,250,000,000  
Discounts and Issuance Costs   8,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 1,242,000,000  
2.550% Senior Secured Notes due 2031 | Senior Notes      
Debt Instrument [Line Items]      
Interest rate, stated percentage   2.55%  
Principal Issuances   $ 1,750,000,000  
Discounts and Issuance Costs   12,000,000  
Net Proceeds from Issuance of Long-Term Debt   1,738,000,000  
Total of Senior Secured Notes issued | Senior Notes      
Debt Instrument [Line Items]      
Principal Issuances   23,000,000,000  
Discounts and Issuance Costs   203,000,000  
Net Proceeds from Issuance of Long-Term Debt   22,797,000,000  
Secured bridge loan facility due 2021 | Bridge Loan      
Debt Instrument [Line Items]      
Principal Issuances   19,000,000,000  
Discounts and Issuance Costs   257,000,000  
Net Proceeds from Issuance of Long-Term Debt   18,743,000,000  
Secured term loan facility due 2027      
Debt Instrument [Line Items]      
Principal Issuances   4,000,000,000  
Discounts and Issuance Costs   107,000,000  
Net Proceeds from Issuance of Long-Term Debt   3,893,000,000  
Total of Secured loan facilities issued      
Debt Instrument [Line Items]      
Principal Issuances   23,000,000,000  
Discounts and Issuance Costs   364,000,000  
Net Proceeds from Issuance of Long-Term Debt   $ 22,636,000,000